The weather observed at SAN FRANCISCO, CA (KSFO) at 06:56 PM PST was: The skies were partly cloudy. Temperature: 54F ( 12C) Dewpoint: 45F ( 7C) Relative Humidity: 71% Winds from the WNW(290 degs) at 9 mph. Pressure: 1012.0 millibars. Altimeter:29.89 inches of mercury. The prevailing visibility was 10 miles.