Boston November 26, 2017 6:55 pm Crisp and Chilly Temps for Copley Tree Lighting The weather for the tree lighting at Copley Square Monday night looks nice with temperatures in the upper 30s by 5 PM. US & World Videos 3:45 Foggy morning turns to warm Saturday afternoon 3:35 Weather forecast: Highs in 70s this weekend 3:45 Weather forecast: Mild night 2:47 Our region enjoys a warm and sun end to the workweek 2:51 Weather forecast: Highs in the 80s