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 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.