Boston August 13, 2023 11:16 pm Forecast: Less humid but warm Monday Overnight into Monday: Lows in the lower 60s west, upper 60s east. Monday: Highs in the lower to mid 80s, mostly sunny. Tuesday: Rainy start, highs in the lower 70s. US & World Videos 3:34 Light showers and sunny skies ahead in Boston 3:52 Sunny skies and warmer temperatures ahead of Presidents' Day