The weather observed at WASHINGTON DC, VA (KDCA) at 05:52 PM EDT was: The skies were cloudy. Temperature: 86F ( 30C) Dewpoint: 72F ( 22C) Relative Humidity: 62% Winds from the E (080 degs) at 8 mph. Pressure: 1017.1 millibars. Altimeter:30.04 inches of mercury. The prevailing visibility was 10 miles.