forecast December 12, 2019 12:30 pm Forecast: Wintry Sun for Thursday Thursday: Wintry sun. Highs around 30. Overnight Thursday: Clouds increase. Lows in the 20s. Friday: Mostly cloudy, afternoon sprinkles, evening showers, night rain. Highs in the 40s. US & World Videos 2:50 Track the intense storms move into Boston area 3:40 Second round of rain on the way, isolated thunderstorms possible 3:37 First round of rain arrives in New England 2:40 Weather forecast: Several rounds of heavy rain, thunderstorms 3:11 So how long is Boston's gorgeous weather going to last?