Surface observations

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

The weather observed at PITTSBURGH, PA (KPIT) at 12:51 PM EST was:
  The skies were cloudy.
  Temperature: 27F ( -3C)  Dewpoint:  18F ( -8C)  Relative Humidity:  68%
  Winds from the NNW(340 degs) at  9 mph.
  Pressure: 1018.1 millibars.  Altimeter:30.00 inches of mercury.
  The prevailing visibility was 10 miles.
  The maximum temperature in the past 6 hours was  27F.
  The minimum temperature in the past 6 hours was  24F.