August 20, 2015 1:10 pm Weather Forecast: Mostly Cloudy, Humid Today (Thursday): Mostly cloudy, humid, highs in the 80s. Tonight (Thursday): Clouds increase, chance of showers east, lows in the 70s. Friday: Scattered showers/t’storms, highs in the 80s. US & World Videos 3:01 Weather: Sunny start to weekend 2:50 Weekend forecast: It's going to be rather splendid in Boston 3:27 Cold start Friday in New England, but a warmup is on the way 2:35 Weather forecast: Cold start Friday, temps warm up in the afternoon 3:05 Drier pattern sticks around New England…but for how long?