Boston March 15, 2018 12:40 pm Weather Forecast: Chilly and Partly Cloudy Thursday night: Partly cloudy. Lows in the 20s to near 30. Friday: Mostly cloudy. Highs in the 30s. Saturday: Partly cloudy, flurry. Highs in the 30s. US & World Videos 3:21 Weather forecast: Partly cloudy, with calm conditions 2:27 Warm and humid Monday in Boston 2:43 Gorgeous start to the week with warm air over New England 3:04 Forecast: Week will start off gorgeous 3:28 Forecast: Mostly cloudy, few showers tonight