Weather May 20, 2017 11:40 pm Cooler Temps for the Weekend Tonight: Clear & Cool. Lows in the 40s. Sunday: Sunny. Pleasant. Highs near 70. Monday: Rain developing. Highs in the upper 50s. US & World Videos 2:53 Weather forecast: Morning rain 4:24 Karen Read trial | Takeaways from police, firefighter testimony 3:17 Temps continue to stay chilly in our region Tuesday 2:32 Cool air, scattered rain in store for Boston 2:55 Much cooler temps Tuesday, with scattered rain