The weather observed at SAN FRANCISCO, CA (KSFO) at 01:56 PM PDT was: The skies were mostly cloudy. Temperature: 76F ( 24C) Dewpoint: 63F ( 17C) Relative Humidity: 64% Winds from the S (180 degs) at 3 mph. Pressure: 1011.3 millibars. Altimeter:29.87 inches of mercury. The prevailing visibility was 10 miles. There has been 0.00 inches of precipitation in the past 6 hours.