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 04:51 PM EST was:
  The skies were mostly cloudy.
  Temperature: 70F ( 21C)  Dewpoint:  63F ( 17C)  Relative Humidity:  78%
  Winds from the S  (190 degs) at  5 mph.
  Pressure: 1023.0 millibars.  Altimeter:30.21 inches of mercury.
  The prevailing visibility was 7 miles.