forecast August 31, 2020 12:24 pm Sunny and Comfortable Monday Monday: Sun and clouds, comfortable. Highs in the mid-70s. Overnight Monday: Clear and calm. Lows in the 50s. Tuesday: Fair and delightful. Highs 75 to 80. US & World Videos 3:19 Partly cloudy, high temps reach near 70 2:44 It's a cloudy but warm day in Boston 2:53 Monday starts off cloudy with lingering rain 3:45 Forecast: Showers, areas of fog 3:45 Afternoon rains expected on Sunday