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Incoming Cooler Air to Bring Sprinkles Wednesday Morning

A dome of high pressure – fair weather – continues to dominate our New England weather since it is anchored over Eastern Canada and maintaining a northerly wind direction for a stream of cool and dry air.

Tuesday afternoon and night, a northeast component will take over. It will bring a puff of even cooler and somewhat moister air through Maine first, then the rest of New England overnight into Wednesday. It will carry increased clouds, some sprinkles and light rain showers.

While Eastern New England may wake to clouds, a wet ground and some lingering scattered sprinkles on Wednesday, we do expect the dry air to take over again by the afternoon with increasing sun. The coolest air of the week will be in place with high temperatures only 60 to 65 degrees.

Tuesday night should turn cold enough for a freeze in Northern Maine. For the rest of us, it’ll be a chilly night with isolated deep valley frost possible. However, most of Central and Southern New England will avoid any widespread frost and certainly not the hard freeze necessary to extinguish the EEE threat.

Thereafter, a moderation in temperature begins, with each day progressively milder until finally the weekend delivers highs around 80 degrees, right into the Autumnal Equinox – the first day of astronomical autumn – on Monday.

In fact, with dry air so firmly in place and Hurricane Humberto missing to the southeast of New England, sunshine will prevail through Monday, as well. Our next chance of showers comes Monday night into Tuesday, then perhaps again next Thursday in the exclusive First Alert 10-Day Forecast.

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