Massachusetts September 20, 2021 12:03 am Overnight Lows, Cool Morning Start to a Sunny Monday News lows in 40s with rising cooler air and shorter days, bright sunshine days ahead this week. US & World Videos 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 3:02 Dry and cooler in our region, with temps in the mid-50s