Weather December 21, 2019 11:31 pm With the Official Start of Winter Comes Warmer Weather Tonight: Partly cloudy. Lows in the teens and 20s. Sunday: Mostly sunny. Highs in the 40s. Monday: Mostly sunny. Highs in the low 50s. US & World Videos 3:11 So how long is Boston's gorgeous weather going to last? 3:30 Warm and sunny day in New England, with temps in the 70s 2:44 Tuesday is the last dry and hot day this week 2:29 Storm headed to Boston: What to know about the severe weather threat 3:25 Changes coming to New England's weather…