This Summer’s weather could be a whole lot worse given the lack of high pressure ridging and the number of low pressure troughs coming through. We have seen temperatures not that far from normal overall, and despite some episodes of severe storms, we have not seen too much in the way of very nasty or excessively wet weather. And the coming week will be representative of the Summer up to this point – a bit of storminess, some great weather, and a lack of heat.
The stormy day will be Monday, because a low pressure area has to cut right across New England and this will bring many showers and some thunderstorms. There is a slight risk of some briefly severe storms, but widespread severe weather is unlikely as the timing of the activity will be before maximum heating and other factors influencing severe storms and allowing them to form and sustain themselves will be mostly borderline. Nevertheless, keep an eye on current conditions during the day Monday should any severe storms develop.
The upper level trough responsible for sending Monday’s low pressure area through here is another one that is deeper than average, like the recent one, and will be hanging around the Great Lakes for a few days while slowly weakening. But dry air on the back side of the departing low Monday night will sweep into southeastern New England on Tuesday, which will be a very nice Summer day with lower humidity and mild air.
A weak area of high pressure will be over the region on Wednesday, keeping the weather fair, as the trough continues to weaken to the west and high pressure starts to build off the Atlantic Coast. This type of set-up is a fair weather one with sea breezes in coastal areas.
Later in the week expect a slow weakening of the trough to the west to continue while a slow strengthening of high pressure takes place offshore. It does not evolve into the classic summertime Bermuda High set up at this point but is enough to bring generally fair and mild to warm weather for the end of the week, though a disturbance may try to get going between these upper level systems to bring at least some cloudiness to the region by next weekend, though so far it looks largely rain-free.
Forecast for southeastern New England…
TONIGHT: Clouds push eastward across the region early then decrease for a while before increasing again from the southwest later. Showers/thunderstorms southwest of Boston before dawn. Areas of low clouds and fog forming as well. Humid. Lows in the 60s. Wind S 5-15 MPH.
MONDAY: Mainly cloudy. Areas of fog early. Numerous showers and scattered thunderstorms, some possibly strong, especially through midday then less so in the afternoon. Humid. Highs in the 70s coastal areas, around 80 inland. Wind S 10-20 MPH.
MONDAY NIGHT: Clearing. Lowering humidity. Lows 60-65. Wind SW 10-20 MPH.
TUESDAY: Sunny to partly cloudy. Highs in the 70s. Wind W 10-20 MPH.
WEDNESDAY: Partly cloudy. Lows 53-60. Highs 72-79, coolest coast.
THURSDAY: Partly cloudy. Lows 57-64. Highs 75-82, coolest South Coast.
FRIDAY: Partly cloudy. Lows 60-67. Highs 78-85, coolest coast.
SATURDAY: Partly sunny. Cape Cod showers? Lows 60-67. Highs 74-81, coolest coast.
SUNDAY: Partly sunny. PM t-storms interior? Lows 61-68. Highs 77-84, coolest coast.