Surface observations

Data from the National Weather Service, made available here by the UAlbany Department of Atmospheric and Environmental Sciences

The weather observed at SAN FRANCISCO, CA (KSFO) at 02:56 PM PDT was:
  The skies were mostly clear.
  Temperature: 72F ( 22C)  Dewpoint:  54F ( 12C)  Relative Humidity:  53%
  Winds from the SW (220 degs) at  9 mph.
  Pressure: 1011.7 millibars.  Altimeter:29.88 inches of mercury.
  The prevailing visibility was 10 miles.