Saturday June 8 2024 Forecast (8:49AM)

DAYS 1-5 (JUNE 8-12)

June’s second weekend will not be as perfect as its first, but also won’t be all that bad! Today is the pick, and Sunday will be the more unsettled day, but not a lost day to weather. Upper level low pressure continues to dominate, and one weak disturbance can fire off a few showers that can quickly move across portions of the region, favoring the first half of the afternoon today. That should be about it. If you have outdoor plans, keep an eye to the sky and check the radar. If you do experience a shower, it should be brief, even if it is on the heavier side. A more formidable disturbance will cross our region Sunday morning and midday. The first band of showers should extend west-to-east and favor areas north of I-90 from pre-dawn to mid morning, followed by one or possibly two broken to potentially solid shower bands that are more oriented north-to-south and sweeping eastward across the region during the midday hours (late morning to early afternoon). A couple of these may contain thunder, so again if you have outdoor plans, keep a close eye on the sky / radar (if you can) and know that your plans have a better shot of being interrupted Sunday than they do today. While clouds may be more plentiful into later Sunday, the shower threat should be absent after 2 p.m., even earlier to the west. Today’s going to feature more wind but also be a touch warmer, due to less cloud cover, compared to Sunday. We remain under the influence of upper level low pressure as it weakens and pulls to the east early in the coming week, with both Monday and Tuesday featuring a sun/cloud mix and a chance of a few showers, but certainly not “wet” days by standard definition. My expectation is that high pressure provides abundant sun for Wednesday while at that time a low pressure area remains well south of New England, off the Mid Atlantic Coast, destined for open ocean and not the Northeast.

TODAY: Clouds entering southwestern NH and north central MA at mid morning will turn the sunny sky elsewhere into a mixed sky by late morning. Cloud/sun intervals this afternoon with the potential for a passing shower mainly between noon and 3 p.m. from west to east. Highs 71-78. Wind W 5-15 MPH, gusts over 20 MPH at times.

TONIGHT: Clouds decrease in the evening before returning overnight. Potential for showers pre-dawn favoring areas north of I-90 / west of I-95. Lows 54-61. Wind W diminishing to under 10 MPH evening, then shifting to S.

SUNDAY: Mainly cloudy with episodic showers favoring areas north of I-90 during the morning, then 1 or 2 rounds of brief but possibly heavier showers and the chance of a thunderstorm from west to east during midday. Partly sunny mid afternoon on. Highs 69-76. Wind S to SE up to 10 MPH morning, S to SW 5-15 MPH afternoon, shifting to W late in the day.

SUNDAY NIGHT: Partly cloudy. Lows 53-60. Wind W up to 10 MPH.

MONDAY: Partly sunny. Chance of a shower. Highs 71-78. Wind W 5-15 MPH.

MONDAY NIGHT: Partly cloudy. Lows 55-62. Wind W 5-15 MPH.

TUESDAY: Partly cloudy. Chance of a shower. Highs 72-79. Wind W 5-15 MPH.

TUESDAY NIGHT: Clearing. Lows 54-61. Wind W up to 10 MPH.

WEDNESDAY: Sunny. Highs 68-75 coast, 75-82 inland. Wind variable up to 10 MPH with coastal sea breezes.

DAYS 6-10 (JUNE 13-17)

A quick warm-up with fair weather as high pressure moves offshore June 13, pushing temperatures above normal. Warmth lingers June 14 but a cold front approaching from the west brings the chance of showers/t-storms. Early outlook is that generally fair weather returns for the June 15-16 weekend into the end of the period as well with seasonable temperatures.

DAYS 11-15 (JUNE 18-22)

The Summer Solstice occurs on June 20. There are some indications of high pressure building offshore and providing our first bout of summer heat right around that time. I do think this will be transitional and part of a more zonal (west to east) flow pattern, so there will likely be changing weather in this time period, not stagnant weather. More detail about this period of time in upcoming posts.

Friday June 7 2024 Forecast (7:34AM)

DAYS 1-5 (JUNE 7-11)

Upper level low pressure controls our weather during the next 5 days. On the large scale this is a fairly simple pattern, but on the smaller scale it’s complex in that there can be several instances of passing showers that are hard to or impossible to time in advance. It still looks like this evening and Sunday morning are the highest probability time windows, with lower chances at other times, for showers in any given part of the region. While Saturday looks like a fairly dry day, there is the very slight chance of a few showers that day. Monday and Tuesday, similarly, present smaller shower chances as well, but not low enough to leave them out of the forecast. Temperatures will be held “in check” during this period – no significant heat.

TODAY: Variably cloudy. Chance of showers, possibly thunderstorms, with activity most likely late afternoon / early evening. Highs 73-80. Wind SW to variable 5-15 MPH.

TONIGHT: Partly cloudy. Chance of a shower early. Lows 55-62. Wind variable to W up to 10 MPH.

SATURDAY: Sun and passing clouds. Only a slight chance of a brief shower. Highs 71-78. Wind W 5-15 MPH.

SATURDAY NIGHT: Partly cloudy evening, mostly cloudy overnight. Lows 54-61. Wind variable to S up to 10 MPH.

SUNDAY: Mostly cloudy with the best chance of showers in the morning. Partly sunny with only a slight chance of a shower during the afternoon. Highs 68-75. Wind SE 5-15 MPH shifting to SW.

SUNDAY NIGHT: Partly cloudy. Lows 53-60. Wind W up to 10 MPH.

MONDAY: Partly sunny. Chance of a shower. Highs 71-78. Wind W 5-15 MPH.

MONDAY NIGHT: Partly cloudy. Lows 55-62. Wind W 5-15 MPH.

TUESDAY: Partly cloudy. Chance of a shower. Highs 72-79. Wind W 5-15 MPH.

DAYS 6-10 (JUNE 12-16)

A more westerly flow on the larger scale, but a weak trough Great Lakes to Northeast. Best shower chance comes at mid period. Temperatures somewhat variable, but no significant heat.

DAYS 11-15 (JUNE 17-21)

A more zonal pattern continues during this period with a spell of warmer to hotter weather possible mid to late period. While a couple shower / t-storm chances exist, the overall pattern is drier.

Thursday June 6 2024 Forecast (7:41AM)

DAYS 1-5 (JUNE 6-10)

A stretch of unsettled weather takes us through this 5-day period, but don’t have it in your mind that we have 5 overcast and rainy days ahead of us. We’ll find plenty of “nice” weather in this stretch too. The cause of the unsettled pattern is an upper level low pressure area spinning around the Great Lakes region, gradually to shift eastward with time through the weekend into early next week. This represents a cold pool aloft which will often make the atmosphere unstable. Today is going to be the cloudiest day and there will be two main shower episodes, one this morning to midday favoring southern and eastern areas, especially the South Coast, and the other which holds off until this evening before moving through from southwest to northeast. This leaves a good part of today rain-free, though not with much (if any) sun outside of some sneaky rays to start the day in some locations. From Friday through Monday we have “spokes of energy” rotating around the upper low bringing us enhanced chances for showers at times, especially when the sun is allowed to act on the landscape during the daylight hours. It’s nearly impossible to time these shower threats other than following trends on short range guidance which can help at least narrow down the greater threat windows. Friday evening and Sunday morning seem to be the current “higher threat time frames” so to speak, but just keep in mind that passing shower can occur at any time during the coming days. Watch radar if you have outdoor plans, and check updates here of course (as well as other trusted sources such as NWS and local media). Overall temperatures will be cooler the next several days.

TODAY: Mainly cloudy. Episodes of showers and a slight chance of a thunderstorm, favoring areas south of I-90 this morning and west of I-495 end of day. Highs 65-72, coolest coast. Wind variable to SE 5-15 MPH.

TONIGHT: Mainly cloudy. Scattered to numerous showers and a slight chance of a thunderstorm this evening. Patchy fog. Lows 55-62. Wind SE up to 10 MPH shifting to W overnight.

FRIDAY: Variably cloudy. Chance of showers, possibly thunderstorms. Highs 65-75. Wind SW to variable 5-15 MPH.

FRIDAY NIGHT: Partly cloudy. Chance of a shower. Lows 55-62. Wind variable up to 10 MPH.

SATURDAY: Partly sunny. Chance of a shower. Highs 67-74. Wind variable up to 10 MPH.

SATURDAY NIGHT: Partly cloudy. Chance of a shower. Lows 54-61. Wind variable up to 10 MPH.

SUNDAY: Variably cloudy. Chance of a few showers. Highs 66-73. Wind variable up to 10 MPH.

SUNDAY NIGHT: Partly cloudy. Lows 53-60. Wind W up to 10 MPH.

MONDAY: Partly sunny. Chance of a shower. Highs 68-75. Wind W 5-15 MPH.

DAYS 6-10 (JUNE 11-15)

Weak upper level low pressure returns, but surface high pressure should eliminate any shower chances early in the period before a weak trough helps to bring back the chance of diurnal showers mid to late period. No organized significant storm systems or significant hot weather expected.

DAYS 11-15 (JUNE 16-20)

A more zonal pattern evolves during this period with a spell of warmer to hotter weather possible toward the end of the period. While a couple shower / t-storm chances exist, the overall pattern is drier here.

Wednesday June 5 2024 Forecast (7:33AM)

DAYS 1-5 (JUNE 5-9)

You won’t find a whole lot different in today’s discussion compared to yesterday’s, but one obvious change comes in the immediate term (as in while I write this just after 7:00 a.m.) especially from southern NH to eastern MA, as a cluster of showers, even a few downpours, have migrated down from northern New England and continue to feed on the boundary between marine air over eastern portions of our region and advancing warmer, more humid air from the southwest. These should fade as they drift southeastward, but will be around for a little while into mid morning. After this, the balance of the day is expected to be rain-free, with a sun/cloud mix, and overall warmer than yesterday with a southwesterly air flow overtaking the region. This, of course, is a direct ocean wind for the South Coast, where it will be coolest today. There is another disturbance that is going to drift down from Northern New England later in the afternoon that can create a few more showers and thunderstorms mainly in southern and age and northeastern MA, so be on the lookout for those wandering through the region. If they do occur, they may be on the heavier side. On the large scale, we will continue to see a broad upper level low pressure area enter the Great Lakes and spin around there for several days, sending waves of moisture our way. The most prominent one leads the pack and will provide us widespread showers for Thursday – easily the wettest day of this week for the region. Beyond that, Friday and the weekend feature daily chances for showers, even some heavier thunderstorms, but the vast majority of the time will feature rain-free weather for any given location. Temperatures will trend to near to below normal after today’s warmth.

TODAY: Variably cloudy morning with showers, a few heavy, from southern NH into central and eastern MA, perhaps into northern RI, diminishing while heading southeastward into mid morning. Partly to mostly sunny afternoon. One more shot at a shower or thunderstorm Southern NH to northeastern MA late in the day. Highs ranging from 65-70 South Coast / Cape Cod to 83-88 interior valleys. Wind S to SW 5-15 MPH.

TONIGHT: Clouding up. Overnight showers possible. Lows 56-63. Wind S to SE up to 10 MPH.

THURSDAY: Mainly cloudy. Episodic and fairly widespread showers likely. Highs 63-70, coolest coast. Wind SE 5-15 MPH.

THURSDAY NIGHT: Cloudy. Showers likely. Chance of a thunderstorm. Patchy fog. Lows 55-62. Wind SE up to 10 MPH shifting to W overnight.

FRIDAY: Variably cloudy. Chance of showers, possibly thunderstorms. Highs 65-75. Wind SW to variable 5-15 MPH.

FRIDAY NIGHT: Partly cloudy. Chance of a shower. Lows 55-62. Wind variable up to 10 MPH.

SATURDAY: Partly sunny. Chance of a shower. Highs 67-74. Wind variable up to 10 MPH.

SATURDAY NIGHT: Partly cloudy. Chance of a shower. Lows 54-61. Wind variable up to 10 MPH.

SUNDAY: Variably cloudy. Chance of a few showers. Highs 66-73. Wind variable up to 10 MPH.

DAYS 6-10 (JUNE 10-14)

Upper level low pressure weakens and drifts eastward across the region early in the period with additional isolated showers possible, before another upper low moves in via the Great Lakes later in the period and continues the unsettled pattern and also keeps us from seeing any overly warm to hot weather.

DAYS 11-15 (JUNE 15-19)

Tendency for weak trough Great Lakes to Northeast but more of a zonal pattern. Still opportunities for showers, but long spells of rain-free weather. Starting on the cooler side of normal but may heat up later in the period.

Tuesday June 4 2024 Forecast (6:39AM)

DAYS 1-5 (JUNE 4-8)

High pressure remains in control of the weather through most of Wednesday. The high center extending from Maine to southeastern New England promotes a light onshore air flow today, keeping all coastal areas cooler than inland locations. Wednesday, the high center slips to the south, and a southwesterly air flow will warm more of the region up, while the air is modified by passing over the ocean for the South Coast and Cape Cod. Early this morning, some patchy stratus clouds are around due to ocean moisture, but these will dissipate rather quickly as the sun rises higher. Tonight, this likely repeats, perhaps a little more extensively so that more of the region starts with a low overcast Wednesday before it burns off again. Later Wednesday, you’ll notice advancing high to middle clouds from the west, in advance of a broad upper low pressure area moving into the Great Lakes region. This feature is going to be the main player in our weather heading through late this week. First, it sends surface low pressure toward the St. Lawrence Valley with a warm front moving into, but probably not all the way through, the region on Thursday, before a cold front / occlusion moves in from the west. This spells a rather cloudy and occasionally wet day for Thursday. We may see rain-free periods, but overall it looks like the wettest and cloudiest day of the week. Friday and Saturday, under the eastern portion of an upper level low pressure circulation, while we see periods of sun, we also will be vulnerable to occasional scattered to isolated showers. Activity looks a little less Saturday than it will be Friday, so don’t cancel any weekend plans yet, but check the next couple updates for more.

TODAY: Patchy stratus / fog early morning, then lots of sun most of morning. A sun/cloud mix this afternoon. Highs 68-75 coastal plain, 76-83 inland. Wind variable up to 10 MPH with developing coastal sea breezes.

TONIGHT: Variably cloudy. Patchy fog. Lows 55-62. Wind variable under 10 MPH.

WEDNESDAY: Areas of low clouds and fog patches to start, then sunshine for a good part of the day before clouds increase again later in the day. Highs 69-76 South Coast, coolest Cape Cod, 77-84 elsewhere. Wind S to SW 5-15 MPH.

WEDNESDAY NIGHT: Clouding up. Overnight rain possible. Lows 56-63. Wind S to SE up to 10 MPH.

THURSDAY: Mainly cloudy. Periodic rain likely. Highs 63-70, coolest coast. Wind SE 5-15 MPH.

THURSDAY NIGHT: Cloudy. Showers likely. Chance of a thunderstorm. Patchy fog. Lows 55-62. Wind SE up to 10 MPH shifting to W overnight.

FRIDAY: Variably cloudy. Chance of showers, possibly thunderstorms. Highs 65-75. Wind SW to variable 5-15 MPH.

FRIDAY NIGHT: Partly cloudy. Chance of a shower. Lows 55-62. Wind variable up to 10 MPH.

SATURDAY: Partly sunny. Chance of a shower. Highs 67-74. Wind variable up to 10 MPH.

DAYS 6-10 (JUNE 9-13)

Upper level low pressure weakens and drifts eastward across the region early in the period with additional isolated showers possible, before another upper low moves in via the Great Lakes later in the period and continues the unsettled pattern and also keeps us from seeing any overly warm to hot weather.

DAYS 11-15 (JUNE 14-18)

A little more westerly flow can develop here but more of a transitional blocking pattern, still with a few shower chances and no significant early season hot weather.

Monday June 3 2024 Forecast (7:47AM)

DAYS 1-5 (JUNE 3-7)

Early this week, while we have high pressure “nearby” and in control much of the time, there are other factors that go into some changeable weather too. This morning, we have a disturbance traversing the region from north to south. This has even created a few showers near the South Coast which won’t be around too long. Otherwise, it’s been responsible for a blanket of mainly broken clouds to greet you this morning. But these clouds will exit the region as the morning goes by so that we have more abundant sun around for the midday and afternoon hours. While this is happening, a back-door cold front, helped by low pressure in southeastern Atlantic Canada and high pressure in Quebec, will push into our region from the northeast during the day. Despite the cloud blanket keeping the region quite mild overnight with a high launching pad for the temperatures today, the arrival of this front and the marine air behind it will cap the temperature rise from the NH Seacoast through the eastern MA coastal plain as we get into the afternoon, but its later arrival to the west of there will allow those areas to warm longer, so there will be a sizable temperature contrast from east to west across the region by the end of the day today. The front itself washes out as it heads westward tonight but by then most of the region will be in a modified marine layer, and with increased low level moisture, some low clouds and fog can and probably will form across at least the coastal plain tonight, lingering into Tuesday morning before it burns off again. Tuesday’s wind field will be weak, so watch for a developing sea breeze. Solar heating will help cumulus clouds pop up especially away from the coast from late morning through the afternoon, but I don’t think any of these will grow enough to produce any showers in the WHW forecast area (while they probably will across the Berkshires and southern VT and northwestern CT by mid to late afternoon). We may see the return of some fog and low clouds Tuesday night that will again burn off on Wednesday. One difference between Tuesday and Wednesday is that during the day Wednesday we’ll see an increase in high to eventually mid level cloud cover ahead of an approaching warm front. This warm front will be parented by low pressure heading into the Great Lakes. There should be enough sun to warm inland areas nicely again while the coast is cooled by a southeasterly air flow setting up ahead of the warm front. I’m eyeing Wednesday night and Thursday morning for the best shot at warm frontal rainfall at this time, though that timing may have to be tweaked. Another question is whether or not that front gets all the way through the region Thursday. If yes, we have a decent slot of partial clearing and a warm-up with additional showers and possible thunderstorms holding off until evening or nighttime. If not, we would stay under a heavier cloud canopy, be cooler, and have a better potential for some additional rainfall, at least drizzle. Playing the former over the latter for now, but stay tuned to updates on those details. Friday, upper level low pressure in the Great Lakes presents lots of clouds and the chance of additional scattered shower activity, with a cool-down.

TODAY: Lots of clouds morning / lots of sun afternoon. Highs 70-77 coast, 77-84 inland, with a slow temperature decline in the coastal plain midday on. Wind variable up to 10 MPH except becoming E 5-15 MPH in eastern coastal areas midday or afternoon, progressing across and west of the I-95 belt with time.

TONIGHT: Areas of low clouds and patchy fog. Lows 54-61. Wind E up to 10 MPH.

TUESDAY: Early low clouds / fog, especially in the coastal plain, otherwise sunshine then becoming partly cloudy during midday and afternoon. Highs 68-75 coastal plain, 76-83 inland. Wind variable up to 10 MPH with developing coastal sea breezes.

TUESDAY NIGHT: Variably cloudy. Patchy fog. Lows 55-62. Wind variable under 10 MPH.

WEDNESDAY: Sun/cloud mix morning. Increasing clouds afternoon hours. Highs 67-74 coast, 75-82 inland. Wind SE up to 10 MPH.

WEDNESDAY NIGHT: Cloudy. Chance of rain overnight. Lows 56-63. Wind SE up to 10 MPH.

THURSDAY: Cloudy with a chance of rain in the morning. Partly sunny in the afternoon. Highs 68-75, coolest coast. Wind SE to S 5-15 MPH.

THURSDAY NIGHT & FRIDAY: Variably cloudy. Chance of showers, possibly thunderstorms. Lows 60-67. Highs 65-75. Wind SW 5-15 MPH.

DAYS 6-10 (JUNE 8-12)

Upper level low pressure weakens and drifts eastward across the region during the June 8-9 weekend. While it will be mainly rain-free with near normal temperatures, there can be pop up scattered to isolated showers both days. While surface features are more progressive, the pattern will feature a weak trough in the Great Lakes and this makes us prone to a couple more shower / t-storm chances heading into next week, but not an overly wet pattern, and no early heat.

DAYS 11-15 (JUNE 13-17)

No changes to the outlook heading into mid June with upper level low pressure dominating the Great Lakes region and our area mostly east of it, but under its influence still with a couple episodes of showers and potential thunderstorms, somewhat variable temperatures but no extremes, especially no significant heat.

Sunday June 2 2024 Forecast (8:18AM)

DAYS 1-5 (JUNE 2-6)

High pressure will remain in control most of the time the next few days, providing more excellent early June weather. A weak disturbance moving into the region tonight brings some additional cloudiness ahead of it late today and tonight, but a lot of the energy from this system will be shunted to our south, and another weak disturbance drifting down from Canada Monday will do the same with some patchy clouds, but overall we have enough influence from surface high pressure to our east to maintain generally nice weather. The high pressure area has even more control by Tuesday with no disturbances around. As we get to midweek, things change a little. We’ll see a broad upper level low pressure area migrating into the Great Lakes from the Upper Midwest, and a series of surface low pressure areas and associated frontal boundaries with it – a late spring conglomeration if you will. The first effect from this on our area will be to increase the cloud cover on Wednesday and bring the chance of some showers / rain into the region as early as Wednesday night as a warm front approaches. This does not look like a particularly potent system at this point, so I’m not looking for a big rain event. But this leads us to a somewhat uncertain forecast for Thursday, 5 days out, with a large upper low just to the west, and a trough and/or cold front to move through our region. Do we get into the warm air fully? Do we have an occlusion move through. How much shower activity will be involved? One band? Two bands? Many bands? Lots of questions to answer leading up to that, so for Thursday’s forecast it’s best to use generic wording and apply the forecast “fine-tune” as we get closer to it. In the mean time, try to enjoy if you can the great early June weather we have now.

TODAY: Sunshine dominant until midday, then lots of high clouds filtering the sun often. Highs 68-75 coast, 76-83 inland. Wind variable up to 10 MPH with developing coastal sea breezes.

TONIGHT: Variably cloudy. Lows 55-62. Wind variable to W up to 10 MPH.

MONDAY: Intervals of clouds and sun. Highs 70-77 coast, 77-84 inland. Wind variable becoming SE to E up to 10 MPH.

MONDAY NIGHT: Partly cloudy. Lows 54-61. Wind SE up to 10 MPH.

TUESDAY: Mostly sunny. Highs 67-74 coast, 74-81 inland. Wind variable up to 10 MPH with coastal sea breezes.

TUESDAY NIGHT: Mostly clear. Lows 53-60. Wind variable under 10 MPH.

WEDNESDAY: Increasing clouds. Highs 65-72 coast, 72-79 inland. Wind SE up to 10 MPH.

WEDNESDAY NIGHT: Cloudy. Slight chance of rain. Lows 56-63. Wind SE 5-15 MPH.

THURSDAY: Variably cloudy. Chance of showers. Highs 71-78. Wind S 5-15 MPH.

DAYS 6-10 (JUNE 7-11)

Large scale pattern features upper level low pressure Great Lakes to Northeast which is an unsettled pattern, but not a “raining all the time” pattern. Shower chances appear greatest June 7 and 10 and we may get through much of the June 8-9 weekend rain-free. Temperatures near to slightly below normal overall, though somewhat variable day to day.

DAYS 11-15 (JUNE 12-16)

No changes to the outlook heading into mid June with upper level low pressure dominating the Great Lakes region and our area mostly east of it, but under its influence still with a couple episodes of showers and potential thunderstorms, somewhat variable temperatures but no extremes, especially no significant heat.

Saturday June 1 2024 Forecast (8:08AM)

DAYS 1-5 (JUNE 1-5)

June 2024 opens with a fabulous weekend, courtesy high pressure building in via the Ohio Valley. We’ll see plenty of sun and dry air, but Sunday will feature a few more clouds moving in from the west in response to a weak low pressure area trailing the high center. This low will be small, weakening, and be shunted to our south later Sunday into Monday, so while some additional clouds will be around Sunday night into Monday, they’ll favor western to southern areas and any associated rainfall will not make it into the region. High pressure rebuilds over the region by Tuesday and into Wednesday with fair and pleasant weather, with coolest air along the coast during the day due to sea breezes. Additionally, clouds may increase on Wednesday ahead of an approaching warm front, as a trough and low pressure system will move into the Great Lakes and Ohio Valley at that time.

TODAY: Sunny. Highs 65-72 coast, 73-80 inland. Wind N up to 10 MPH with developing coastal sea breezes.

TONIGHT: Clear. Lows 51-58. Wind variable under 10 MPH.

SUNDAY: Mostly sunny to partly cloudy. Highs 68-75 coast, 75-82 inland. Wind variable up to 10 MPH with redeveloping coastal sea breezes.

SUNDAY NIGHT: Variably cloudy. Lows 52-59. Wind variable under 10 MPH.

MONDAY: Partly cloudy – most clouds to the south. Highs 70-77 coast, 77-84 inland. Wind variable becoming SE to E up to 10 MPH.

MONDAY NIGHT: Partly cloudy. Lows 54-61. Wind SE up to 10 MPH.

TUESDAY: Mostly sunny. Highs 67-74 coast, 74-81 inland. Wind variable up to 10 MPH with coastal sea breezes.

TUESDAY NIGHT: Mostly clear. Lows 53-60. Wind variable under 10 MPH.

WEDNESDAY: Increasing clouds. Highs 65-72 coast, 72-79 inland. Wind SE up to 10 MPH.

DAYS 6-10 (JUNE 6-10)

A trough and frontal system from the west brings more humid air and an increased chance of showers and possible thunderstorms June 6 and especially June 7 before drier air arrives for the June 8-9 weekend behind the system. But upper level low pressure lingers over the Northeast and additional unsettled weather is possible by the end of the period.

DAYS 11-15 (JUNE 11-15)

Some up and down weather with an upper level low pressure area dominating the pattern. Doesn’t rain all the time, but we’re prone to unsettled conditions and temperatures near to slightly below normal in this pattern.

Friday May 31 2024 Forecast (7:51AM)

DAYS 1-5 (MAY 31 – JUNE 4)

On the back side of upper level low pressure we experience a fair and cool day with a sun / cloud mix – sun dominating. Previous potential showers in the forecast are no longer there, as the unstable air to create those will be over Maine, not the WHW region, so we’re now guaranteed dry weather for outdoor activities – proms / graduations / etc. this afternoon and evening. Temperatures today will run slightly below the long term average and it’ll be a little breezy at times, putting a little chill in the late spring air though. We open June with a very nice weekend – high pressure in control – with fair weather and a slight warming trend, which continues into early next week with a continued warm-up. A low pressure area making a run at the Northeast will be shunted to the south, but may bring some clouds mainly to western areas on Sunday and southern areas on Monday – that’s about it.

TODAY: Sun & passing clouds. Highs 63-70. Wind N 5-15 MPH.

TONIGHT: Clear. Lows 50-57. Wind N up to 10 MPH.

SATURDAY: Sun & a few clouds. Highs 65-72 coast, 73-80 inland. Wind N up to 10 MPH with developing coastal sea breezes.

SATURDAY NIGHT: Mostly clear. Lows 51-58. Wind variable under 10 MPH.

SUNDAY: Partly cloudy – most clouds to the west. Highs 68-75 coast, 75-82 inland. Wind variable up to 10 MPH with redeveloping coastal sea breezes.

SUNDAY NIGHT: Partly cloudy. Lows 52-59. Wind variable under 10 MPH.

MONDAY: Partly cloudy – most clouds to the south. Highs 70-77 coast, 77-84 inland. Wind variable to S 5-15 MPH.

MONDAY NIGHT: Partly cloudy. Lows 54-61. Wind S up to 10 MPH.

TUESDAY: Mostly sunny. Highs 71-78 South Coast, 78-85 inland. Wind SW 5-15 MPH.

DAYS 6-10 (JUNE 5-9)

High pressure offshore / low pressure trough to west results in fair weather and above normal temperatures June 5. Frontal boundary associated with trough from west moves into the region June 6-7 brings higher humidity and shower/t-storm chances, before fair weather returns at the end of the period, and temperatures coming back to near normal.

DAYS 11-15 (JUNE 10-14)

Unsettled weather comes back early in the period before we trend drier again. But upper level low pressure in the region means temperatures near to slightly below normal.

Thursday May 30 2024 Forecast (7:37AM)

DAYS 1-5 (MAY 30 – JUNE 3)

Upper level low pressure will be in charge of our weather today and Friday – the final 2 days of May 2024. Today’s weather will be the most unsettled as a compact surface low pressure system brings a slug of rain and embedded thunderstorms to the region this morning, then it exits west to east midday through the afternoon, with rain last to depart over Cape Cod late afternoon. Some clearing will take place mainly I-95 westward with the return of sunshine, at least partially, as we head through the afternoon in those locations. The sun’s heating and the still-unstable atmosphere can combine to ignite a few additional showers mainly northwest of Boston through early evening before any of those fade away. With the upper low still close enough / partially overhead but exiting to the east on Friday we can see a quick pop up shower again with the sun’s heating, this time favoring the I-95 belt eastward, mainly north of I-90, most especially the NH Seacoast region through Essex County of MA. This should be brief and early enough in the afternoon that even there, along with the rest of the region, conditions will be ideal for late afternoon / early evening outdoor graduation ceremonies, of which there are many planned across the area. June begins with a stellar weekend as high pressure moves into the region, and this high will start to slip off to the east Monday, which will be fair but notably warmer, except the usually cooler South Coast in that set-up.

TODAY: Overcast until midday with rain and embedded thunderstorms. Rain tapering off / ending west to east midday on as clouds start to break. An additional passing shower mainly northwest of Boston in the evening. Highs 57-64. Wind NE 5-15 MPH, shifting to N-NW later in the day.

TONIGHT: Variably cloudy. Lows 48-55. Wind N-NW 5-15 MPH.

FRIDAY: Sun/cloud mix with a trend for more sun as the day goes along. Additional isolated showers possible around midday favoring southeastern NH and northeastern MA. Highs 63-70. Wind N-NW 5-15 MPH.

FRIDAY NIGHT: Mostly clear. Lows 50-57. Wind N up to 10 MPH.

SATURDAY: Mostly sunny. Highs 68-75, coolest coast. Wind N up to 10 MPH with developing coastal sea breezes.

SATURDAY NIGHT: Mostly clear. Lows 51-58. Wind variable up to 10 MPH.

SUNDAY: Partly cloudy. Highs 72-79, cooler in coastal areas. Wind variable up to 10 MPH with coastal sea breezes.

SUNDAY NIGHT: Mostly clear. Lows 52-59. Wind variable under 10 MPH.

MONDAY: Mostly sunny. Highs 76-83 except cooler South Coast / Cape Cod. Wind S-SW 5-15 MPH.

DAYS 6-10 (JUNE 4-8)

High pressure offshore / low pressure trough to west results in fair weather and above normal temperatures June 4-5. Frontal boundary associated with trough from west moves into the region June 6-7 brings higher humidity and shower/t-storm chances, before fair weather returns at the end of the period, and temperatures coming back to near normal.

DAYS 11-15 (JUNE 9-13)

Fair weather early period and late period with an unsettled interlude between. Temperatures near to slightly above normal.

Wednesday May 29 2024 Forecast (7:51AM)

DAYS 1-5 (MAY 29 – JUNE 2)

A little bit of unsettled weather is coming our way as we head through the next couple days. Today starts out nice with abundant sunshine, but a trough of low pressure and weak frontal boundary moving into the region from the west will trigger the development of clouds as the day goes on, and some of these will build into isolated to scattered showers and thunderstorms this afternoon, which will fade with the lower sun by evening. After that, a wave of low pressure will form and move up along the frontal boundary as it is heading through the region, and this will thicken the cloud canopy and produce a period of rain later tonight and Thursday morning, which ends as the wave of low pressure pulls away. Clouds may hang on into if not through much of Thursday evening with a northeasterly wind for several hours behind the departing low pressure area. During Friday, as this pulls further away and surface high pressure builds our way from the Great Lakes while upper level low pressure starts to exit to the east, clouds will give way to more sunshine. Thursday and Friday will be cooler than normal days, especially Thursday with the thicker cloud cover and rainfall with northeasterly wind, with a bit of a recovery on Friday. Many outdoor graduations are scheduled for Friday afternoon and/or evening and the weather looks ideal for these. What about the first 2 days of June, which also happen to be the weekend? Looking good! High pressure controls the weather with fair, dry conditions. Sunniest weather will likely be Saturday as the remains of a trough to our west sends some cloud patches into the sky on Sunday, but that day looks dry as well. And for graduation ceremonies that take place on those days, and other outdoor activities, the weather looks ideal for both days… Yay!

TODAY: Sunny start, then clouds pop up midday through afternoon. Potential for isolated to scattered showers and thunderstorms mid to late afternoon, a few of which could be briefly strong with small hail possible. Highs 72-79. Wind NW 5-15 MPH, can be briefly variable and stronger near any heavier showers/storms.

TONIGHT: Becoming cloudy. Rain likely overnight. Lows 53-60. Wind N to NE 5-15 MPH.

THURSDAY: Overcast with rain until midday. Clouds may break later in the day. Highs 60-67. Wind NE 5-15 MPH.

THURSDAY NIGHT: Clouds linger. Lows 50-57. Wind N 5-15 MPH.

FRIDAY: Increasing sun. Highs 65-72. Wind NW 5-15 MPH.

FRIDAY NIGHT: Mostly clear. Lows 50-57. Wind N up to 10 MPH.

SATURDAY: Mostly sunny. Highs 68-75, coolest coast. Wind N up to 10 MPH with developing coastal sea breezes.

SATURDAY NIGHT: Mostly clear. Lows 51-58. Wind variable up to 10 MPH.

SUNDAY: Partly cloudy. Highs 72-79, cooler South Coast. Wind SW 5-15 MPH.

DAYS 6-10 (JUNE 3-7)

Fair, warmer weather early in the period as high pressure dominates. Trending cooler and more unsettled thereafter with a low pressure trough moving in and a series of disturbances accompanying it.

DAYS 11-15 (JUNE 8-12)

This period will be dominated by fair weather with maybe an interruption around mid period with a passing disturbance in a west to east flow. Temperatures near to slightly above normal.

Tuesday May 28 2024 Forecast (7:35AM)

DAYS 1-5 (MAY 28 – JUNE 1)

A return to nicer weather takes place today as lingering clouds clear away and we enjoy a warmer, drier day in the wake of last night’s showers and thunderstorms. This is a dry interlude between that and one more bout of unsettled weather from upper level low pressure which still has to finish its trip through the Northeast, and will do so during the middle of this week. Wednesday’s weather starts good but then turns more unsettled later and this continues into Thursday as that trough and a surface low move through the region. But finally we see it all pull away and some fabulous weather arrive at the end of the week as we say bye to May and hello to June with high pressure building into the region.

TODAY: Lots of clouds early, then a sun/cloud mix. Highs 68-75 South coast, 76-83 elsewhere. Wind SW 5-15 MPH, higher gusts.

TONIGHT: Clearing. Lows 52-59. Wind W 5-15 MPH.

WEDNESDAY: Sunny early, then variably cloudy. Chance of a shower in the afternoon. Highs 66-73. Wind NW 5-15 MPH.

WEDNESDAY NIGHT: Mostly cloudy. Showers likely. Lows 55-62. Wind N to NE 5-15 MPH.

THURSDAY: Mostly cloudy with showers likely in the morning. Sun/cloud mix with a chance of an additional passing shower during the afternoon. Highs 65-72. Wind shifting to NE 5-15 MPH.

THURSDAY NIGHT: Clearing. Lows 48-55. Wind NW 5-15 MPH.

FRIDAY: Mostly sunny. Highs 65-72. Wind NW to N 5-15 MPH.

FRIDAY NIGHT: Mostly clear. Lows 50-57. Wind N up to 10 MPH.

SATURDAY: Mostly sunny. Highs 68-75, coolest coast. Wind N up to 10 MPH with developing coastal sea breezes.

DAYS 6-10 (JUNE 2-6)

Looks like fair weather holds June 2-3 with a slight warming trend as high pressure remains dominant. Unsettled weather chance increases with a trough and frontal system moving into the region June 4-6, and a cooling trend at that time.

DAYS 11-15 (JUNE 7-11)

Pattern looking a little unsettled early portion of this period before fair weather returns. Temperatures variable, averaging fairly close to normal.

Monday May 27 2024 Forecast (8:26AM)

DAYS 1-5 (MAY 27-31)

As many of us pause to remember the fallen at parades / ceremonies today, we’ll do so under an overcast with some areas of fog and light drizzle, and a few passing showers which can be around through the middle of the day. The warm front responsible for this will approach the region during the day, but not likely pass by until the evening, at which time a cold front from the west will be approaching steadily. This will send a swath of widespread showers and embedded thunderstorms across the region during this evening, ending from west to east by shortly after midnight. This is slightly faster than the timing I was expecting on yesterday’s update, but still slowly enough that we get through the daylight hours in most of the region before it arrives. Use caution if planning to travel during the evening as visibility will be lowered and there can be ponding of water on many roadways. Behind this system, expect a fair and warm day on Tuesday. An upper level trough will move through the region via the Great Lakes at midweek, presenting a cooling trend and additional shower activity, mainly Wednesday night and Thursday, based on current expected timing. This feature will move along so that we end up with a nice day on Friday to end the month of May as high pressure builds in.

TODAY (MEMORIAL DAY): Cloudy. Foggy areas, patchy drizzle, and a chance of brief passing showers through midday. Widespread showers return to western areas by evening. Highs 65-72, coolest South Coast / Cape Cod areas. Wind SE up to 10 MPH through midday, increasing to 10-15 MPH later.

TONIGHT: Cloudy. Widespread showers and embedded thunderstorms evening, ending west to east overnight. Lows 55-62. Wind S to SW 5-15 MPH, higher gusts possible.

TUESDAY: Sun/cloud mix. Highs 68-75 South coast, 76-83 elsewhere. Wind SW 5-15 MPH, higher gusts.

TUESDAY NIGHT: Clearing. Lows 52-59. Wind W 5-15 MPH.

WEDNESDAY: Sunny start, cloudy finish. Highs 66-73. Wind W up to 10 MPH shifting to S.

WEDNESDAY NIGHT: Cloudy. Showers likely. Lows 55-62. Wind S 5-15 MPH.

THURSDAY: Mostly cloudy with showers likely in the morning. Sun/cloud mix with a chance of an additional passing shower during the afternoon. Highs 65-72. Wind shifting to NW 5-15 MPH.

THURSDAY NIGHT: Clearing. Lows 48-55. Wind NW 5-15 MPH.

FRIDAY: Mostly sunny. Highs 65-72. Wind NW to N 5-15 MPH.

DAYS 6-10 (JUNE 1-5)

We may have to watch for a weak disturbance around June 2 with a passing shower, otherwise most of the first weekend of June looks dry and mild. Another shot at unsettled weather comes toward the end of the period.

DAYS 11-15 (JUNE 6-10)

Pattern looking a little unsettled early portion of this period before fair weather returns. Temperatures variable, averaging fairly close to normal.

Sunday May 26 2024 Forecast (8:56AM)

DAYS 1-5 (MAY 26-30)

As we move to the middle day of the holiday weekend, we observe early this morning some showers and even an isolated thunderstorm having moved across southern New England, now (as of 8:30 a.m. writing) exiting the MA South Shore, with a few lighter showers near the South Coast. Aside from a quick pop-up shower potential in the mid to late morning as a weak boundary settles through this area, a good part of today will be rain-free. But later today, with a disturbance about, a little more moisture, and some solar heating, and the weak surface boundary lifting back to the north, we can and probably will see the development of some pop up showers and thunderstorms by later afternoon to early evening. These don’t look widespread, rather scattered, but can be heavy, at least briefly, where they occur. While this is going on we’ll have a more notable air flow off the Atlantic and this should keep the lower levels stable enough so that development is far less likely east of I-95. As we move through tonight and Monday, clouds will be the rule as we are in a southeasterly to southerly air flow as low pressure moving into the Great Lakes sends a warm front into and across the region. While occasional showers can accompany this, I do not expect a widespread day-long rain, and many of the outdoor activities for Memorial Day will take place with mainly rain-free conditions. At the end of the day and especially at night, a more pronounced and widespread band of showers and embedded thunderstorms will arrive from west to east with a slow-moving cold front, which will take until Tuesday morning to clear through the area. Some significant rainfall is likely with this, but this will followed by drying and not much cool air behind the front, resulting in Tuesday becoming quite a nice late spring day. Heading into midweek, we have a trough back to the northwest associated with the Great Lakes low pressure area that will swing through with another episode of shower chances from late Wednesday into Thursday. Timing and details of this part of the forecast need to be tweaked and fine-tuned the next few days.

TODAY: Variably cloudy. An additional shower possible east of I-95 and south of I-90 into mid morning. Isolated to scattered showers and a slight chance of a thunderstorms mainly I-90 northward later in the afternoon. Highs 68-75 coast, 75-82 inland, but coastal areas will cool down during the afternoon. Wind S to SE up to 10 MPH.

TONIGHT: Mostly cloudy. Fog patches South Coast. Lows 55-62. Wind SE up to 10 MPH.

MONDAY (MEMORIAL DAY): Mostly cloudy. Isolated to scattered showers. Rain-free most of the time. Highs 65-72, coolest South Coast / Cape Cod. Wind SE to S 5-15 MPH.

MONDAY NIGHT: Mostly cloudy. Showers likely. Chance of thunderstorms. Lows 55-62. Wind S to SW 5-15 MPH.

TUESDAY: Beginning-of-day clouds with showers and thunderstorms exiting west to east, then a sun/cloud mix. Highs 75-82. Wind SW 5-15 MPH.

TUESDAY NIGHT: Clearing. Lows 52-59. Wind W 5-15 MPH.

WEDNESDAY: Sunny start, then a sun/cloud mix. Highs 66-73. Wind NW 5-15 MPH.

WEDNESDAY NIGHT / THURSDAY: Variably cloudy. Chance of showers. Lows 52-59. Highs 64-71. Wind S to W 5-15 MPH.

DAYS 6-10 (MAY 31 – JUNE 4)

This stretch from the final day of May into the first few days of June looks mainly dry with high pressure in general control. A trough approaching around June 2 may be obliterated by the block or deflected to the south. Early hints of some unsettled weather around the end of the period though. Temperatures near to below normal.

DAYS 11-15 (JUNE 5-9)

Pattern looking a little unsettled early to middle portion of this period before fair weather returns. Far too soon for any details. Temperatures variable, averaging fairly close to normal.

Saturday May 25 2024 Forecast (8:14AM)

DAYS 1-5 (MAY 25-29)

Memorial Day Weekend is upon us and the weather these 3 days will be different daily, but the weekend as a whole will be largely rain-free for any given location. Today is the slam dunk for the pick of the 3 days in terms of favorable weather for outdoor activity. Governed by high pressure, we’ll see plenty of sun, filtered at times by filaments of high clouds. A little bit of thin high altitude smoke from western US fires can add a hazier look to the sky. But it will be a nice day – quite warm / not too hot / and manageable humidity. Also, the active post-frontal breeze we saw yesterday will be less so today as high pressure builds over the region, diminishing the northwesterly air flow we have and making for a lighter, variable wind. This will, however, allow for the development of coastal sea breezes, which will keep it cooler in those locations versus inland areas. Toward day’s end, if you’re watching the sky you’ll see high and mid level clouds starting to be more obvious, and as we get into tonight, these will increase from west to east as a disturbance approaches, via the Great Lakes. Once triggering numerous showers and thunderstorms, this system will be much weaker as it crosses our region during the overnight hours, with just the chance for a few isolated / widely scattered showers and a low risk of a thunderstorm. Sunday, we’ll develop a more southerly air flow as a weak low pressure area crosses northern New England with a trough extending southward. Eastern coastal areas can develop more of a southeasterly sea breeze due to a weak pressure gradient, and this air flow will already be an ocean breeze for the South Coast, so all coastal areas will again be cooler than inland areas on Sunday. With the weak trough and a bit more moisture, solar heating can help trigger a few showers popping up, mainly away from the coast, during the afternoon and early evening hours. During Sunday night and certainly on Monday (Memorial Day), with upper level and surface low pressure moving into the Great Lakes and a warm front moving into the region, we’ll see a more regionwide southeasterly air flow and it will become mainly cloudy. I do think that rainfall generated by the approaching / passing warm front will be limited to just patches of light rainfall, favoring areas north and west of Boston, and that the cold front associated with the low, while approaching from the west, is slow enough that its associated shower and thunderstorm activity holds off until night. This front can produce a fairly healthy amount of rain in just a handful of hours as it goes by with widespread showers and embedded thunderstorms mainly in the overnight hours, but should exit early in the morning Tuesday, leaving us with a sun/cloud mix and a warm day as there is not much cool air to be delivered by the front itself, which will be washing out. A narrow area of high pressure provides dry weather for us Wednesday, but expect some fair weather clouds to pop up in response to a cooling trend aloft as upper level low pressure to the north has us in its influence.

TODAY: Sunshine, filtered at times by high clouds and high altitude smoke, then interrupted at times later in the day by a few thicker cloud patches. Highs 75-82 except cooler coastal areas. Wind NW to N up to 10 MPH morning, becoming variable with coastal sea breezes midday on.

TONIGHT: Partly to mostly cloudy. Isolated to widely scattered showers and a slight chance of a thunderstorm, mainly north of I-90, late evening / overnight. Lows 55-62. Wind variable up to 10 MPH becoming S.

SUNDAY: Variably cloudy. An isolated shower possible early morning I-95 and I-90 east and south. Isolated afternoon showers and a slight chance of a thunderstorm mainly west of I-95. Highs 68-75 coast, 75-82 inland, but coastal areas will cool down during the afternoon. Wind S to SE up to 10 MPH.

SUNDAY NIGHT: Mostly cloudy. Fog patch potential South Coast. Lows 55-62. Wind SE up to 10 MPH.

MONDAY (MEMORIAL DAY): Mostly cloudy. Brief rain possible mainly north and west of Boston through midday. Isolated afternoon showers possible mainly west of I-495. Highs 65-72. Wind SE to S 5-15 MPH.

MONDAY NIGHT: Mostly cloudy. Showers likely. Chance of thunderstorms. Lows 55-62. Wind S to SW 5-15 MPH.

TUESDAY: Beginning-of-day clouds with showers and thunderstorms exiting west to east, then a sun/cloud mix. Highs 75-82. Wind SW 5-15 MPH.

TUESDAY NIGHT: Clearing. Lows 52-59. Wind W 5-15 MPH.

WEDNESDAY: Sunny start, then a sun/cloud mix. Highs 66-73. Wind NW 5-15 MPH.

DAYS 6-10 (MAY 30 – JUNE 3)

A trough will swing through the region May 30 bringing scattered showers. Fair weather is expected to return behind this system for the final day of May, which should then extend into and just beyond the first weekend of June as we see high pressure in control. Temperatures near to below normal early in the period return to near normal later in the period.

DAYS 11-15 (JUNE 4-8)

High pressure gives way to a low pressure trough bringing a few episodes of unsettled weather early to middle portion of this period. Temperatures variable, averaging fairly close to normal.

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