forecast May 18, 2021 4:26 am Forecast: Highs Near 80 Tuesday Today: Early clouds to sun, isolated PM shower. Highs near 80. Tonight: Partly cloudy. Lows in the 50s. Wednesday: Mostly sunny. Highs in the 80s, 70s coast. 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