forecast May 26, 2021 6:52 am Forecast: 90 Degrees, Afternoon Thunderstorms Wednesday Today: Sun and clouds, hot, a bit humid. Highs around 90. Tonight: A period of thunder and showers. Lows in the 60s. Thursday: Warm, less humid. Highs around 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