Overcast Skies in Store, Seemingly Bringing an End to Warm Stretch

It’s a quintessential fall day in New England to start our workweek, with a fair sky, dry air and temperatures a touch cooler than normal at 60 to 65 degrees.

In the coming days, we’ll get one more taste of mild air before a major pattern change. In the short term, the influx of warmth arrives aloft overnight Monday night, resulting in increasing clouds after midnight as the preceding cool air and new warmth clash overhead.

Tuesday morning, the clash aloft will be enough for some sprinkles and overcast skies. This will likely make for stubborn clouds until skies start breaking a bit during the afternoon, when limited sun will assist a busy southwest breeze. That will help boost temperatures to or just over 70 degrees.

A sharp cold front charging south from Canada will make passage through New England on Wednesday and the exact timing is critical: ahead of the front Wednesday morning, communities will warm into the 70s, while behind it, 50s will be more commonplace.

By Wednesday evening, the cold front will be crossing New England’s South Coast, and from that point forward, the true fall we’re accustomed to as New Englanders will be here.

From Thursday through the end of the exclusive First Alert 10-Day Forecast, we see highs almost exclusively in the 50s and 60s with increasing chances for rain, particularly Thursday into Friday. That may bring accumulating snow to Northern Maine.

A frost is possible for the Boston suburbs Friday night, as is another chance of rain later Sunday into Monday.

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