forecast July 3, 2024 4:31 pm Humid July 4 ahead for Boston, with a chance of storms Overnight Wednesday night: Dry. Increasing Clouds. Low: 64. Thursday (July 4) Sun & Clouds. Isolated Showers. High: 84. Friday: Morning Rain. Partly Cloudy. High: 83. US & World Videos 3:08 Weather forecast: Highs in the 60s 2:59 Weather forecast: Lows in the 50s 3:52 Cloudy skies and some sprinkles ahead 4:11 Forecast: Fall weather this week, weekend forecast looking good 2:43 Forecast: Fall-like temps hold steady