New Year - same weather. Expect bitter cold when midnight arrives New Year's Eve. Expect a nearly full moon, scattered clouds, and sub-zero wind-chills. Below are the conditions I expect at midnight. Keep in mind that wind-chill values are calculated with the sustained wind. Gusts will feel worse.
Hartford, CT 6 degrees, NW wind 9 mph, wind-chill -8
New Haven, CT 13 degrees, NW wind 13 mph, wind-chill -2
New York City 14 degrees, NW wind 13 mph, wind-chill 0
Boston 7 degrees, NW wind 11 mph, gusting to 25 mph, wind-chill -9