The weather observed at SAN FRANCISCO, CA (KSFO) at 07:56 AM PST was: The skies were mostly clear. Temperature: 48F ( 9C) Dewpoint: 43F ( 6C) Relative Humidity: 81% Winds from the WNW(290 degs) at 5 mph. Pressure: 1021.3 millibars. Altimeter:30.16 inches of mercury. The prevailing visibility was 10 miles.