forecast December 20, 2021 11:30 am Forecast: Feels-Like Temps in the 20s Monday Today: Biting cold wind with sun, Cape clouds. Highs 30-35, wind chill 20s. Tonight: Partly cloudy, cold breeze. Lows in the 20s. Tuesday: Fair, brisk. Highs near 40. US & World Videos 3:13 Weather forecast: Clear and sunny, with temps in the 70s 2:31 Another warm day in Boston with plenty of sunshine 2:44 Tuesday is the last dry and hot day this week 2:18 Weather forecast: Sunny and mild 3:19 Partly cloudy, high temps reach near 70