Surface observations

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

The weather observed at SEATTLE/METRO, WA (KSEA) at 03:53 PM PDT was:
  The skies were partly cloudy.
  Temperature: 73F ( 23C)  Dewpoint:  52F ( 11C)  Relative Humidity:  47%
  Winds from the NW (300 degs) at 10 mph.
  Pressure: 1015.8 millibars.  Altimeter:29.99 inches of mercury.
  The prevailing visibility was 10 miles.