Weather forecast March 23, 2021 1:16 pm Sun Today, Rain Tomorrow Today: Sunny, mild. Highs 65-70, cooler coast with sea breezes. Tonight: Increasing clouds. Lows in the 30s. Wednesday: Cloudy, rain arrives late. Highs in the 50s. US & World Videos 3:02 Weather forecast: Morning showers, with afternoon thunderstorms 2:40 Weather forecast: Several rounds of heavy rain, thunderstorms 2:11 Weather forecast: Rain and showers 3:13 Weather forecast: Clear and sunny, with temps in the 70s 2:31 Another warm day in Boston with plenty of sunshine