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 12:54 AM EST was:
  The skies were mostly clear.
  Temperature: 28F ( -2C)  Dewpoint:  14F (-10C)  Relative Humidity:  55%
  Winds from the NW (320 degs) at  8 mph.
  Pressure: 1020.4 millibars.  Altimeter:30.13 inches of mercury.
  The prevailing visibility was 10 miles.
  The maximum temperature in the past 6 hours was  36F.
  The minimum temperature in the past 6 hours was  28F.