Boston September 8, 2017 11:50 pm Weather Forecast: Sun and Clouds Friday night: Clearing sky, low in the 50s. Saturday: Sunshine mixing with clouds, a brief shower or thunderstorm possible. High in the 60s. Sunday: Sunny start, partly sunny afternoon, high in the 60s. US & World Videos 3:08 Tuesday is the warmest day this week 2:39 Boston has a summer-like sizzle today, with temps in the 70s 2:49 Our region gets a taste of summer-like weather today 3:28 It's gorgeous out there in Boston, and it's getting even nicer 2:59 Warmer today, with mostly sunny conditions