Here are just some of the record lows forecast to be broken tomorrow morning.
Boston, MA (-5F), would break old record of -2F set in 1896
New York City (0F), would break old record of 4F set in 2014
Portland, ME (-12F), would break old record of -10 set in 1941
Norfolk, VA (12F), would break old record of 13F set in 1884
Philadelphia, PA (1F), would break old record of 4F
Providence, RI (1F)
Via Weather.com