Surface observations

Data from the National Weather Service, made available here by the UAlbany Department of Atmospheric and Environmental Sciences

The weather observed at NYC/LA GUARDIA, NY (KLGA) at 02:51 AM EST was:
  The skies were mostly clear.
  Temperature: 37F (  3C)  Dewpoint:  23F ( -5C)  Relative Humidity:  56%
  Winds from the NW (320 degs) at 14 mph.
  Pressure: 1023.1 millibars.  Altimeter:30.21 inches of mercury.
  The prevailing visibility was 10 miles.