Weather July 26, 2020 6:23 pm Weather: Dangerous Heat Expected Monday Tonight: Partly cloudy. Patchy dense fog. Lows in the 70s. Monday: Mostly sunny. Record breaking heat. Highs in the mid to upper 90s, heat index values up to 109. 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