forecast August 17, 2020 7:02 am Partly Cloudy, Cooler Weather Ahead of Mid-Week Warm-Up Today: AM sprinkles to PM sun. Highs in the 70s. Overnight Monday: A period of showers. Lows around 60. Tuesday: Becoming bright and pleasant. Highs in the 80s, 70s north. 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