Boston August 23, 2019 10:35 pm Weather Forecast: Highs in 70s Friday night: Mostly clear. Lows in the 50s and 60s. Saturday: Mostly sunny. Highs in the 70s. Sunday: Mix of sun and clouds, spot shower. Highs in the 60s and 70s. US & World Videos 3:43 Forecast: Clear and cold 3:45 Forecast: It's cold and getting colder 2:28 Forecast: Coldest air of the season 3:18 Weather forecast: Cold and breezy 3:13 After windy, wet day, cold moves into New England