The weather observed at WASHINGTON DC, VA (KDCA) at 07:52 AM EDT was: The skies were partly cloudy. Temperature: 57F ( 14C) Dewpoint: 43F ( 6C) Relative Humidity: 59% Winds from the N (360 degs) at 7 mph. Pressure: 1027.0 millibars. Altimeter:30.33 inches of mercury. The prevailing visibility was 10 miles. The maximum temperature in the past 6 hours was 58F. The minimum temperature in the past 6 hours was 54F.