Metro

Soaking rain due for Saturday’s Patriots game

Patriots fans, prepare to get soaked.

The region is expected to get more than an inch of rain just in time for Saturday night’s game. Heavy showers should start by 1 p.m. and continue overnight. Highs will be in the unseasonably warm mid-50s throughout the day but will drop into the 40s before the game starts at 8:15 p.m.

Today we’re getting a harbinger of that warmth, with abundant sunshine and highs in the upper 20s. Clouds rolling in this evening will help maintain temperatures in the low 20s overnight.

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“With clouds at night, heat rises up and bounces back to earth, helping keep those temperatures up,” said National Weather Service meteorologist Alan Dunham.

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A very light dusting of snow could coat Eastern Massachusetts before noon Friday, but accumulation would be a half inch or less, and will give way to light rain by mid-afternoon, forecasters said. Temperatures should get even warmer, with highs in the upper 30s.

The evening will be mostly cloudy but dry, with lows staying in the mid-30s.

Those dry conditions will continue overnight into Saturday until the rain begins that afternoon. The rain will continue until 3 a.m. Sunday.

Sunday will be partly cloudy and dry for the rest of the day, with highs almost reaching 50 again and only expected to drop into the mid-30s overnight.

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“Once we get past today, we’re looking at above-normal temperatures through the middle of next week,” Dunham said.

Catalina Gaitan can be reached at catalina.gaitan@globe.com. Follow her on Twitter at @catalina_gaitan.