A classic late-summer pattern has settled in: cool, comfortable nights and pleasantly warm days. The one caveat is northern New England, where cold air aloft will help spark scattered thunderstorms Wednesday afternoon – most likely from northern Vermont into northern New Hampshire and northwest to the Crown of Maine between about 1 and 7 PM. Any storm could produce lightning and small hail, then fade with sunset.
Thursday stays mainly dry, with sunshine giving way to some late clouds; a line of downpours and rumbles weakens as it slips into western New England late evening into early overnight. Friday brings a brief return of humidity and scattered showers – more numerous across northern New England, with partial sun and a few pop-ups farther south.
Another cold front arrives Saturday. Expect locally heavy rain potential across far northwestern and northern New England, while the rest of the region sees scattered showers and a few thunderstorms. Under the rain, temperatures hover near 70°, but ahead of the front it’s back to the 80s and humid with a noticeable south-southwest breeze. By Sunday, drier air sweeps in on a northwest wind, delivering the most comfortable day of the weekend.
Rainfall through Saturday evening looks meager south/central/east – generally a few hundredths to a few tenths – while over an inch is possible in parts of far western and northern New England. Dew points stay low through Thursday, jump into the 60s Friday and Saturday, then drop again Sunday.
In the tropics, a wave emerging off Africa is fighting dry air and shear but shows improving organization; there’s a high chance of development late week, which would take the name Gabrielle over the central Atlantic.
Temperatures: Wednesday 75–80° (cooler coast), 50s at night with patchy valley fog and some coastal low clouds. Thursday near/just above 80° with a gentle sea breeze. Friday near 80° and more humid with scattered showers/isolated thunder. Saturday around 70° where it’s rainy north; 80s and humid ahead of the front farther south (SSW 10–20 mph).
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