The weather observed at SAN FRANCISCO, CA (KSFO) at 06:56 PM PST was: The skies were partly cloudy. Temperature: 65F ( 18C) Dewpoint: 57F ( 14C) Relative Humidity: 76% Winds from the SW (240 degs) at 3 mph. Pressure: 1019.0 millibars. Altimeter:30.09 inches of mercury. The prevailing visibility was 10 miles. There has been 0.00 inches of precipitation in the past 6 hours.