Surface observations

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

The weather observed at SAN FRANCISCO, CA (KSFO) at 05:56 PM PDT was:
  The skies were partly cloudy.
  Temperature: 67F ( 19C)  Dewpoint:  54F ( 12C)  Relative Humidity:  63%
  Winds from the W  (280 degs) at 20 mph.
  Pressure: 1016.8 millibars.  Altimeter:30.03 inches of mercury.
  The prevailing visibility was 10 miles.