Boston weather forecast December 27, 2020 6:33 pm Forecast: Chilly Temps This Week Ahead of New Year's Storm Today: Sunny, high in the 30s. Light wind. Tonight: Big bright evening moon, clouds late, low in the 20s. Tomorrow: Sun and clouds, spot shower, high in the 40s. US & World Videos 0:35 Boston will have plenty of sun, warm air Thursday 2:44 Weather forecast: It'll feel like summer in our region 2:29 Weather forecast: Partly cloudy with highs in 60s 3:19 May 1 may be cloudy, but we have optimism for the rest of Boston's forecast 3:41 Sun will slowly chew away at the cloud cover this afternoon