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.