Boston December 21, 2018 9:50 pm Weather Forecast: Diminishing Rain and Wind Friday night: Diminishing rain and wind. Temperatures in the 50s. Saturday: Isolated AM showers, then clearing. Early high around 50, then cooling. Sunday: Bright and cool. Highs around 40. US & World Videos 4:02 Forecast: Temps closer to freezing 2:44 Weather forecast: Frigid air eases up 3:13 Weather forecast: Another cold night 3:13 Forecast: Sunny but frigid 3:42 Forecast: Arctic airmass tightens its grip on New England