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 3:45 Forecast: It's cold and getting colder 2:28 Forecast: Coldest air of the season 3:18 Weather forecast: Cold and breezy 3:49 Wind bringing much colder weather to Boston area 3:29 Forecast: Chilly and breezy