Surface observations

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

The weather observed at PHILADELPHIA, PA (KPHL) at 05:54 PM EST was:
  The skies were mostly cloudy.
  Temperature: 39F (  4C)  Dewpoint:  25F ( -4C)  Relative Humidity:  56%
  Winds from the SW (210 degs) at  7 mph.
  Pressure: 1004.1 millibars.  Altimeter:29.65 inches of mercury.
  The prevailing visibility was 10 miles.