Weather forecast August 19, 2021 4:25 pm Rain Slows Overnight, Bringing a Humid, Cloudy Friday — Before Henri Arrives Thursday Night: Sticky, showers end. Lows around 70. Friday: Mostly cloudy, chance shower, humid, warm. Highs in the middle 80s. US & World Videos 4:04 Afternoon clouds over the region on Saturday 3:24 Weather forecast: Highs in the 50s 3:43 Look out for showers this afternoon in Boston 3:41 Cool air to linger over Boston into the weekend 3:17 Cooling back down, weekend turns wet in Boston