Tuesday Forecast

7:27AM

DAYS 1-5 (AUGUST 22-26)
A one-day heat and humidity episode will be quickly put to rest by a cold front that passes by early Wednesday. The timing of this front is such that it is likely sparing the region an outbreak of strong to possibly severe thunderstorms, leaving only the risk of a few showers and locally heavier storms coming through late tonight. Drier air will flow in later Wednesday and be in control into late week, along with somewhat cooler temperatures.
TODAY: Partly cloudy. Humid. Highs 78-85 south Coast, 85-92 elsewhere. Wind SW 5-15 MPH.
TONIGHT: Increasing clouds. Showers/thunderstorms possible from northwest to southeast late night and overnight hours. Humid. Lows 65-72. Wind SW 10-20 MPH.
WEDNESDAY: Mostly cloudy with showers and thunderstorm exiting from northwest to southeast early, then partly sunny with a slight risk of isolated afternoon showers. Humid start, drier finish. Highs 77-85. Wind shifting to W 5-15 MPH.
THURSDAY: Mostly sunny. Lows in the 50s. Highs in the 70s.
FRIDAY: Partly cloudy. Lows from the middle 50s to lower 60s. Highs from the middle 70s to lower 80s.
SATURDAY: Mostly sunny. Lows in the 50s. Highs in the 70s.

DAYS 6-10 (AUGUST 27-31)
Generally fair with temperatures pleasant but somewhat below normal to start the period as high pressure holds. Increasing humidity and possibly a few showers later in the period. Indications for now are that any tropical activity will be kept to the south and east but will continue to watch it.

DAYS 11-15 (SEPTEMBER 1-5)
Seasonably warm and somewhat humid with a few shower and thunderstorm opportunities during this time period, which includes the Labor Day Weekend. Will fine-tune and detail this forecast going forward.

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Monday Forecast

3:06AM

DAYS 1-5 (AUGUST 21-25)
First, the solar eclipse. As we’ve been talking about, the solar eclipse is today. With the path of totality well to the south of New England, unless you are making a trip to a narrow strip of land to hope for clear enough sky to witness it in person, you’ll have to rely on TV or the internet for that. Here in southern New England, we’re looking at a 60-65% coverage of the sun (63% in Boston) at eclipse maximum which is 2:46PM. The beginning is 1:28PM. The end is at 3:59PM. And the sky will be mainly clear for this event with great viewing conditions. I cannot urge you enough to view this eclipse safely with certified glasses made for the event, or a home made sun “projector” which allows you to project the image of the sun on a surface making it safe to view. When we get to Tuesday, the heat will be in for a one-day stand, along with higher humidity, but this will be cut short by a cold front that crosses the region from northwest to southeast in the early hours of Wednesday. Showers/thunderstorms that enter northwestern New England Tuesday night will likely be weakening as they cross southern New England overnight and early Wednesday, but we will have to watch for a few stronger storms that survive the trip. This will coincide with the one-year anniversary of the 3:20AM Concord MA tornado, which was a reminder that severe weather, though rare at that time, can occur at any time. Not looking for severe weather this time but cannot completely rule out a couple stronger storms surviving. Drier air will flow in later Wednesday and be in control into late week, along with somewhat cooler temperatures, though I am not convinced it gets as cool as some of the computer guidance suggests, so will bias the forecast a bit to the warmer side of most that you will see. My reasoning for this is that I believe guidance is coming up with a low pressure trough that is deeper and slower-moving than the one that will occur.
TODAY: Sunshine, dimmed by the moon for part of the afternoon (most noticeable 2:30PM-3:00PM). Highs 78-83 Cape and Islands, 84-89 elsewhere, though the temperature may drop a couple degrees during mid point of eclipse then recover – hardly noticeable. Wind W up to 10 MPH.
TONIGHT: Mostly clear evening. Partly cloudy overnight. Becoming more humid overnight. Lows 62-67. Wind light SW.
TUESDAY: Partly cloudy. Humid. Highs 78-85 south Coast, 85-92 elsewhere. Wind SW 5-15 MPH.
TUESDAY NIGHT: Increasing clouds. Showers/thunderstorms possible from northwest to southeast late night and overnight hours. Humid. Lows 65-72. Wind SW 10-20 MPH.
WEDNESDAY: Mostly cloudy with showers and thunderstorm exiting from northwest to southeast early, then partly sunny with a slight risk of isolated afternoon showers. Humid start, drier finish. Highs 77-85. Wind shifting to W 5-15 MPH.
THURSDAY: Mostly sunny. Lows in the 50s. Highs in the 70s.
FRIDAY: Partly cloudy. Lows from the middle 50s to lower 60s. Highs from the middle 70s to lower 80s.

DAYS 6-10 (AUGUST 26-30)
Generally fair with temperatures pleasant but somewhat below normal on the August 26 but we will then have to keep an eye on the tropics for a possible system near or off the East Coast as otherwise the temperatures moderate and humidity increases again.

DAYS 11-15 (AUGUST 31-SEPTEMBER 4)
Seasonably warm and somewhat humid with a few shower and thunderstorm opportunities during this time period, which includes the Labor Day Weekend. Will fine-tune and detail this forecast going forward.

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Sunday Forecast

10:50AM

DAYS 1-5 (AUGUST 20-24)
No big changes for this update. High pressure dominates today through Tuesday with pleasant if not a bit breezy conditions today with sun/clouds. I’d forecast 100% sunshine Monday as I expect nothing but a few high clouds in the sky, however the moon will be crossing in front of the sun from 1:28PM to 3:59PM (mid point 2:46PM) and will cover 60-65% of the sun across southern New England at its mid point. The well-advertised path of totality will enter the Pacific Northwest and exit via the Carolinas and thanks to media we’ll get plenty of opportunity to “see” it. You may wonder when the next total is for reasonably close to this area. The answer is: Monday April 8 2024 when the path of totality will cross Upstate NY and northern Maine. Start planning your trip now! 😉 Back to the weather…by Tuesday we’re going to see what has become a rare hot day, but that’s only for a day, as a cold front will put a quick end to that on Wednesday, and a Canadian high will bring cooler/drier air by Thursday.
TODAY: Sun and passing clouds. Highs 78-86, coolest Cape Cod. Wind NW 5-15 MPH but gusting around or just over 20 MPH at times.
TONIGHT: Mostly clear. Lows 55-60 interior valleys, 60-65 elsewhere. Wind light NW to N.
MONDAY: Mostly sunny. Highs 78-83 Cape Cod and some immediate shores, 83-88 otherwise. Wind W 5-15 MPH.
TUESDAY: Mostly sunny. Lows from the middle 60s to lower 70s. Highs from the middle 80s to lower 90s.
WEDNESDAY: Variably cloudy. Chance of showers/thunderstorms. Humid. Lows in the 60s. Highs in the 80s.
THURSDAY: Partly cloudy. Lows from the upper 50s to middle 60s. Highs from the middle 70s to lower 80s.

DAYS 6-10 (AUGUST 25-29)
Dry with a warming trend August 25-26. More humid August 27-29 and what is uncertain is whether or not we will be directly or indirectly impacted by a tropical system at some point during this time. Will watch and fine-tune in the days ahead.

DAYS 11-15 (AUGUST 30-SEPTEMBER 3)
Again, as with the end of the 6-10 day period we will need to keep an eye on the tropics since it’s impossible this far in advance to know in detail what any possible tropical system might do, and there has been enough hinting of this on medium range guidance that I won’t turn my back on the possibility. Outside of this potential, the pattern should support fairly warm and mainly dry weather.

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Saturday Forecast

11:12AM

DAYS 1-5 (AUGUST 19-23)
A stretch of warmer weather gets underway this weekend but a bit slowly today as a weak cold front moves offshore and a slow dry-out process takes place. High pressure will be dominant Sunday-Tuesday with a gradual increase in heat, most noticeable Tuesday. Eclipse weather for Monday looks perfect with sunshine and just a few passing clouds possible. The solar eclipse begins at 1:28PM, peaks at 2:46PM, and ends at 3:59PM. At peak, 60-65% of the sun will be covered depending on your exact location in southern New England. When we get to Wednesday, a cold front is due with a shower/thunderstorm risk, but timing is not easily determined this far in advance.
TODAY: Any remaining low clouds diminish with more sunshine. Isolated pop up shower or thunderstorm possible southeastern NH, eastern MA, eastern CT, and RI this afternoon. Humid. Highs 75-80 South Coast, 80-85 elsewhere. Wind light SW shifting to W.
TONIGHT: Partly cloudy. Patchy fog. Less humid. Lows 60-67. Wind light W.
SUNDAY: Mostly sunny. Highs 78-86, coolest Cape Cod. Wind NW 5-15 MPH.
MONDAY: Mostly sunny. Lows in the 60s. Highs in the 80s.
TUESDAY: Mostly sunny. Lows from the middle 60s to lower 70s. Highs from the middle 80s to lower 90s.
WEDNESDAY: Variably cloudy. Chance of showers/thunderstorms. Humid. Lows in the 60s. Highs in the 80s.

DAYS 6-10 (AUGUST 24-28)
Dry weather August 24-26 with a brief cool down then a slight warm-up as I believe a cooler trough is being over-forecast by the models. More humid and wetter weather is possible by later in the period and we will have to continue to watch for a possible tropical system being involved or possibly not too far away.

DAYS 11-15 (AUGUST 29-SEPTEMBER 2)
As with the end of the 6-10 day period we will need to keep an eye on the tropics since it’s impossible this far in advance to know if any storms will be about and what the exact track and timing would be. I throw this caution out due to the pattern being one that could support an East Coast threat. Outside of this expect largely fair and warm weather.

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Friday Forecast

6:59AM

DAYS 1-5 (AUGUST 18-22)
A warm front crosses the region today and a cold front follows it on Saturday. The warm front will be more active, producing fairly numerous showers and possibly a few thunderstorms from midday into tonight. The cold front will be less active, producing only isolated showers and thunderstorms favoring eastern areas Saturday. High pressure moves back in by Sunday, dominating through Tuesday, with warm to hot, dry weather. At this point the conditions continue to look ideal for viewing Monday’s solar eclipse here, which will be a partial in southern New England with 60-65% of the sun covered.
TODAY: Mostly cloudy. Episodes of showers and a slight chance of thunderstorms, mainly midday and afternoon. Highs 72-77. Wind SE to S 5-15 MPH.
TONIGHT: Mostly cloudy. Episodes of showers and possibly a thunderstorm. Humid. Lows 62-67. Wind S to SW 5-15 MPH.
SATURDAY: Mostly cloudy to partly sunny. Isolated showers and thunderstorms, favoring eastern areas during the afternoon. Humid. Highs 75-80 South Coast, 77-82 elsewhere. Wind SW up to 10 MPH shifting to W late.
SUNDAY: Mostly sunny. Lows in the 60s. Highs in the 80s.
MONDAY: Mostly sunny. Lows in the 60s. Highs in the 80s.
TUESDAY: Mostly sunny. Lows from the middle 60s to lower 70s. Highs from the middle 80s to lower 90s.

DAYS 6-10 (AUGUST 23-27)
Showers/thunderstorms possible August 23 with a cold front. Fair, cooler then warming again August 24-26. May turn wet by the end of the period.

DAYS 11-15 (AUGUST 28-SEPTEMBER 1)
Will have to keep an eye out for possible tropical systems as the pattern could support something near the East Coast, otherwise mainly dry with temperatures near to above normal.

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Thursday Forecast

7:25AM

DAYS 1-5 (AUGUST 17-21)
High pressure controls today’s weather and results in a “top 10” day with sunshine and low humidity and a nice diurnal warm-up after a cool start. A warm front will approach the region Friday with waves of showers arriving during the day and lasting into the nighttime hours, with a humid air mass arriving at night and into Saturday. A cold front will slog across New England during Saturday morning and early afternoon but it looks like conditions will not be all that favorable for anything more than a few isolated showers. High pressure moves back into the region Sunday-Monday with fabulous summer weather, with the early outlook being favorable for sky conditions for the solar eclipse on Monday afternoon, which will be a partial in southern New England with 60-65% of the sun covered. More on this in upcoming posts.
TODAY: Mostly sunny. Highs 75-80 coast, 80-85 interior. Wind light variable with sea breezes.
TONIGHT: Partly cloudy. Lows 55-60 interior, 60-65 coast. Wind light variable.
FRIDAY: Mostly cloudy. Episodes of showers and a slight chance of thunderstorms. Highs 72-77. Wind SE to S 5-15 MPH.
FRIDAY NIGHT: Mostly cloudy. Episodes of showers and possibly a thunderstorm. Humid. Lows 62-67. Wind S to SW 5-15 MPH.
SATURDAY: Mostly cloudy. Slight risk of isolated showers. Humid. Highs 75-80 South Coast, 77-82 elsewhere. Wind SW up to 10 MPH.
SUNDAY: Mostly sunny. Lows in the 60s. Highs in the 80s.
MONDAY: Mostly sunny. Lows in the 60s. Highs in the 80s.

DAYS 6-10 (AUGUST 22-26)
Humidity returns August 22-23 with showers/thunderstorms possible August 23. Fair August 24-26 with drier and slightly cooler weather to start then a warm up following it.

DAYS 11-15 (AUGUST 27-31)
Above normal temperatures, below normal precipitation expected overall but watch the tropics again.

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Wednesday Forecast

6:55AM

DAYS 1-5 (AUGUST 16-20)
High pressure will control the weather today and Thursday with fair weather and lowering humidity. In fact it will be quite dry Thursday. A warm front approaches Friday with an increasing chance of showers. A cold front crosses the region during the first half of Saturday with the shower threat decreasing slowly as the day goes on. High pressure will regain control with great summer weather again by Sunday.
TODAY: Mostly sunny. Highs 78-83 Cape Cod, 83-88 elsewhere. Wind NW 5-15 MPH with higher gusts.
TONIGHT: Mostly clear. Patchy fog inland low lying areas. Lows 52-57 interior low spots, 58-65 elsewhere with mildest in urban centers. Wind light N.
THURSDAY: Mostly sunny. Highs 75-80 immediate coast, 80-85 interior. Wind light variable with sea breezes.
FRIDAY: Clouding over. Chance of showers, especially afternoon and night. Lows in the 60s. Highs in the 70s.
SATURDAY: Variably cloudy. Chance of showers/thunderstorms especially morning and midday. Humid. Lows in the 60s. Highs from the middle 70s to lower 80s.
SUNDAY: Mostly sunny. Lows in the 60s. Highs in the 80s.

DAYS 6-10 (AUGUST 21-25)
Pattern of below normal precipitation and above normal temperatures as high pressure dominates.

DAYS 11-15 (AUGUST 26-30)
Warm pattern but increasing opportunities for showers/thunderstorms. Also will continue to watch the tropics.

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Tuesday Forecast

7:18AM

DAYS 1-5 (AUGUST 15-19)
Hurricane Gert passes far southeast of England today through early Wednesday while a disturbance moves across the Northeast providing lots of clouds and a few areas of rain. This is a cloudier, somewhat wetter forecast for parts of the region than previously being carried, but it’s temporary as high pressure moves back in with great weather Wednesday. However, larger ocean swells from Gert will reach the coastal areas Wednesday increasing the risk of rip currents along the beaches. High pressure will maintain control Thursday before the next weather system brings unsettled weather Friday into Saturday.
TODAY: Mostly cloudy. Showers possible anywhere but favoring north central MA, southern NH, and southeastern MA during the morning, then confined more to the South Coast this afternoon but a few more showers/thunderstorms may pop up in north central MA and southern NH late. Highs 75-82. Wind variable up to 10 MPH.
TONIGHT: Decreasing clouds. Lows 62-67. Wind light W.
WEDNESDAY: Mostly sunny. Highs 78-83 Cape Cod, 83-88 elsewhere. Wind NW 5-15 MPH.
THURSDAY: Mostly sunny. Lows in the 60s. Highs in the 80s.
FRIDAY: Mostly cloudy. Showers likely. Lows in the 60s. Highs in the 70s.
SATURDAY: Variably cloudy. Chance of showers/thunderstorms. Lows in the 60s. Highs from the middle 70s to middle 80s, warmest interior.

DAYS 6-10 (AUGUST 20-24)
Typical August pattern of moderate to high humidity and a few opportunities for showers/thunderstorms at times.

DAYS 11-15 (AUGUST 24-29)
More of the same pattern but may need to keep an eye on the track of a tropical system.

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Monday Forecast

3:32PM

DAYS 1-5 (AUGUST 14-18)
High pressure hangs on at the surface but increased moisture aloft leads to cloudiness being more dominant through Monday night, and some into Tuesday as well as moisture increases as the surface as a trough moves in from the west and a tropical system passes well to the south. A few showers/storms may result, favoring southern areas. These would not be directly related to the tropical system, however. High pressure moves in with dry/warm weather Wednesday, then a warm front approaches late Thursday into Friday with more unsettled weather.
REMAINDER OF AFTERNOON: Mostly cloudy. Temperatures 68-75 Cape Cod & Islands, 76-84 elsewhere, warmest inland. Wind light variable with sea breezes.
TONIGHT: Mostly cloudy. Lows 62-67. Wind light S.
TUESDAY: Partly sunny. Isolated showers/thunderstorms, favoring southern MA, CT, RI during the late afternoon and evening. More humid. Highs 75-80 coast, 80-85 interior. Wind S 5-15 MPH.
TUESDAY NIGHT: Partly cloudy. Lows 62-67. Wind SW 5-15 MPH.
WEDNESDAY: Mostly sunny. Less humid. Highs 83-88. Wind NW 5-15 MPH.
THURSDAY: Partly sunny. Chance of showers at night. Lows in the 60s. Highs from the middle 70s to lower 80s.
FRIDAY: Mostly cloudy. Showers likely. Lows in the 60s. Highs in the 70s.

DAYS 6-10 (AUGUST 19-23)
Additional showers possible into August 19 as a cold front clears the region. Fair weather August 20-21. More humid with a few showers/thunderstorms possible later in the period.

DAYS 11-15 (AUGUST 24-28)
High pressure more dominant. Temperatures above normal, less rainfall than normal for the period.

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Sunday Forecast

12:39PM

DAYS 1-5 (AUGUST 13-17)
Straightforward August pattern. High pressure dominates today then sinks to the south early to midweek with warmer weather, as a generally west to east jet stream dominates, though not overly strong. A boundary and some increased humidity may trigger some showers and possible thunderstorms Monday evening along the South Coast, and even a few more isolated showers may occur in that area during Tuesday, otherwise look for a generally rain-free pattern through midweek. A tropical system passing out to sea to the southeast may generate some larger ocean swells to impact coastal areas during midweek. A weak cold front will pass through early Thursday from the north but likely without anything but a wind shift and slight cooling.
THIS AFTERNOON: Sun and passing clouds. Highs 78-85. Wind W 5-15 MPH.
TONIGHT: Partly cloudy early, then mostly clear. Lows 62-67. Wind light W.
MONDAY: Partly sunny. Highs 77-82 coast, 83-88 interior. Wind variable up to 10 MPH with sea breezes.
TUESDAY: Partly cloudy. Lows in the 60s. Highs in the 80s.
WEDNESDAY: Mostly sunny. Lows from the middle to upper 60s. Highs from the lower 80s to lower 90s, warmest interior areas.
THURSDAY: Partly cloudy. Lows in the 60s. Highs from the upper 70s to middle 80s.

DAYS 6-10 (AUGUST 18-22)
A progressive trough in a fairly fast west-to-east flow should bring a warm front across the region by August 18 and a cold front by early August 19 resulting in a period of unsettled weather. After this look for a return to mainly dry, moderate humid weather with a risk of a few showers/storms otherwise mainly rain-free conditions.

DAYS 11-15 (AUGUST 23-27)
High pressure should be in control for most of this period with drier weather and temperatures near to above normal. Some computer guidance has suggested another possible tropical system off the coast at some point so will continue to monitor this possibility.

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