The weather observed at PHILADELPHIA, PA (KPHL) at 05:54 PM EDT was: The skies were mostly cloudy. Temperature: 83F ( 28C) Dewpoint: 62F ( 17C) Relative Humidity: 49% Winds from the NW (330 degs) at 8 mph. Pressure: 1017.7 millibars. Altimeter:30.05 inches of mercury. The prevailing visibility was 10 miles.