Weather December 18, 2019 5:35 pm Weather Forecast: Gusty Wind Wednesday night: Gusty wind with wind chill around -10. Lows around 10 above. Thursday: Arctic sun with a bitter wind. Highs in the 20s, wind chill 10-15. US & World Videos 2:27 Mother speaks out after school shooting threat in Milton 0:39 Police respond to incident in Whitinsville 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