Weather forecast May 9, 2021 6:23 pm Forecast: Expect a Wet Start to the Week Tonight: Rain likely. Lows in the 40s to near 50. Monday: Morning rain, then mostly cloudy. Highs in the upper 50s. Tuesday: Mix sun and clouds. Highs in the low 60s. US & World Videos 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 4:04 Afternoon clouds over the region on Saturday