Weather September 18, 2021 9:35 am Downpours, Rip Currents and Rough Surf Along the Coast on Saturday Humid Saturday with highs in the 70. Saturday Night: Partly cloudy, spot shower or storm, low in the 60s. Sunday: Mostly sunny, less humid, high in the 70s. US & World Videos 3:45 Afternoon rains expected on Sunday 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