Weather September 10, 2017 12:00 am Temps Stay Summery Overnight Saturday Night: Mostly clear. Lows in the 40s and 50s. Sunday: Partly cloudy, spot shower. Highs around 70. Monday: Mostly sunny. Highs in the 70s to near 80. 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