Surface observations

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


The weather observed at WASHINGTON DC, VA (KDCA) at 06:52 AM EDT was:
  The skies were partly cloudy.
  Temperature: 75F ( 24C)  Dewpoint:  72F ( 22C)  Relative Humidity:  89%
  Winds from the SW (220 degs) at  5 mph.
  Pressure: 1016.6 millibars.  Altimeter:30.02 inches of mercury.
  The prevailing visibility was 10 miles.