Boston May 23, 2018 12:30 pm Weather Forecast: Warm Wednesday Afternoon Wednesday: Clouds to mild sun. Highs around 80. Wednesday night: Mostly clear, crisp. Lows around 50. Thursday: Cooler, fair. Highs in the 60s coast, 70s inland. 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