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 05:51 PM EDT was:
  The skies were mostly clear.
  Temperature: 84F ( 29C)  Dewpoint:  66F ( 19C)  Relative Humidity:  55%
  Winds from the S  (180 degs) at 16 mph.
  Pressure: 1016.9 millibars.  Altimeter:30.03 inches of mercury.
  The prevailing visibility was 10 miles.