forecast December 22, 2020 4:32 am Forecast: Afternoon Sunshine, Highs Around 40 Tuesday Today: Clouds to fair sky. Highs around 40. Tuesday Night: Chilly wind, clear sky. Lows around 20, wind chill around 10. Wednesday: Mostly sunny, chilly AM breeze. Highs in the 30s. US & World Videos 2:32 Forecast: Wet weather expected through New Year's Day 2:40 Forecast: A rainy start to the week 2:58 Busy weather pattern while it's warmer to end 2024 in Boston 2:59 Boston may top 60 degrees Monday amid rainy warmup 3:49 Mild Sunday afternoon after foggy morning in New England