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 04:56 AM PDT was:
  The skies were partly cloudy.
  Temperature: 61F ( 16C)  Dewpoint:  58F ( 14C)  Relative Humidity:  90%
  Winds from the WNW(290 degs) at 14 mph.
  Pressure: 1016.4 millibars.  Altimeter:30.02 inches of mercury.
  The prevailing visibility was 10 miles.
  The maximum temperature in the past 6 hours was  65F.
  The minimum temperature in the past 6 hours was  61F.