forecast May 18, 2021 6:58 am Forecast: Highs Near 80, Afternoon Showers For Some 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 2:29 Weather forecast: Partly cloudy with highs in 60s 3:19 May 1 may be cloudy, but we have optimism for the rest of Boston's forecast 3:41 Sun will slowly chew away at the cloud cover this afternoon 2:38 Boston will see some sunshine in the afternoon 2:39 Weather forecast: Scattered morning rain, with steady temps