forecast December 31, 2019 4:29 pm Mostly Cloudy First Night Tuesday evening: Mostly cloudy. Temperatures in the 40s. Overnight Tuesday: Partly cloudy, chance flurry, cool breeze. Temperatures in the 30s, wind chill 25 to 30. Wednesday: Mostly sunny, 40 to 45. US & World Videos 3:11 The weather's great, but the wheels come off the forecast by the weekend 3:14 Weather forecast: Highs near 70 degrees 3:05 Partly cloudy, with summer-like temperatures 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