forecast September 28, 2021 6:52 am Forecast: Downpours, Thunderstorms Tuesday Today: Showers and thunder. Highs 70-75. Tonight: Southeast MA showers. Lows in the 40s, 50s southeast. Wednesday: Cool fall air, fair sky, chance PM sprinkle. Highs 60-65. 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