Weather December 4, 2019 4:42 pm Mostly Cloudy and Cold Wednesday Evening Wednesday evening: Mostly cloudy. Temperatures in the 30s. Overnight Wednesday: Cloudy, calm. Lows in the 20s. Thursday: Clouds and sun, breezy. Highs around 40. US & World Videos 2:31 Billerica police sergeant killed in crash honored at funeral 2:05 MIT monitors pair of opposing protests on campus 3:41 Cool air to linger over Boston into the weekend 2:01 Remembering Billerica police Sgt. Ian Taylor 3:17 Cooling back down, weekend turns wet in Boston