The weather observed at PHILADELPHIA, PA (KPHL) at 06:54 PM EDT was: The skies were partly cloudy. Temperature: 83F ( 28C) Dewpoint: 63F ( 17C) Relative Humidity: 51% Winds from the NNW(340 degs) at 9 mph. Pressure: 1018.0 millibars. Altimeter:30.06 inches of mercury. The prevailing visibility was 10 miles.