forecast June 23, 2021 7:11 am Forecast: Cool, Comfortable Air Takes Hold Today: Mostly sunny, fresh air. Highs near 75. Tonight: Clear, calm, cool. Lows around 50. Thursday: Sun & comfortable warmth. Highs 75-80. US & World Videos 3:01 Weather: Sunny start to weekend 2:38 Weather forecast: Clear, cool Friday night 2:50 Weekend forecast: It's going to be rather splendid in Boston 3:23 Weather forecast: Warm and mostly dry this weekend 2:45 Chilly in Boston Friday, but there's plenty of sunshine