Massachusetts July 10, 2024 4:54 pm When will Boston's streaming hot weather break? Overnight Wednesday night: Cloudy. Humid. Low: 73. Thursday: Scattered Showers or T-showers. Partly Cloudy & humid. High: 88. Friday: Morning Showers. Hot & Humid. High: 90. US & World Videos 3:46 Forecast: Much colder weather, rain/snow mix Friday night 2:47 Forecast: Rain clears, cooler weather arrives 2:52 Forecast: Morning rain clearing out, seasonable temps today 3:01 Snow could be ahead for Boston — and a blast of winter air will be, too 4:02 Forecast: Tracking rain, dropping temps