forecast November 21, 2020 5:31 pm Forecast: Weather Turns Cool and Cloudy on Sunday Today: Variable clouds. Highs in the 50s. Overnight Saturday: Mostly clear, chilly. Lows around 30, 20s north. Sunday: Limited AM sun to cloudy sky. Night rain. Highs only 40-45. US & World Videos 3:02 Clear skies expected on Thursday 3:45 Mild temps, rain for Boston as the year draws to a close 3:29 Temperatures expected to rise during the next couple of days 2:47 Weather forecast: White Christmas? 2:52 Boston's Christmas Day forecast | Sun to shine, no more snow coming