forecast March 27, 2020 4:18 pm Clear and Cool Friday Evening Overnight Friday: Clear, cool. Lows in the 30s. Saturday: Morning sun to afternoon clouds. Night showers arrive. Highs in the 50s. Sunday: Periodic showers, mountain mix and cool. Highs 40s south, 30s north. US & World Videos 2:32 Cool air, scattered rain in store for Boston 2:55 Much cooler temps Tuesday, with scattered rain 2:44 Weather forecast: Scattered morning rain 3:21 Weather forecast: Partly cloudy, with calm conditions 2:27 Warm and humid Monday in Boston