The weather observed at PITTSBURGH, PA (KPIT) at 08:51 AM EDT was: The skies were partly cloudy. Temperature: 50F ( 10C) Dewpoint: 37F ( 3C) Relative Humidity: 61% Winds from the E (080 degs) at 10 mph. Pressure: 1026.8 millibars. Altimeter:30.29 inches of mercury. The prevailing visibility was 10 miles.