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United States of America

SEA-TAC, WASHINGTON


Home > North America > United States > Washington
Elevation: 137 meters     Latitude: 47 27N     Longitude: 122 18W

WEATHER
 
CURRENT CONDITIONS

As of 28 May, 2017 @ 11:53 am EDT
(38 Minutes Ago)

Clear
Temperature
18.3°C
Humidity
59.5 %
Wind
5.6 km/h
Sunrise/Set
08:17 am
11:55 pm
Visibility
16 km
Dew Point
10.6 °C
Pressure
1020.4 millibars
Local Time
12:30 pm EDT
28 May, 2017
 
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MONTHLY - WEATHER AVERAGES SUMMARY   [ Show All Data ]
[ °F ]   °C
Average Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C11.85.76.48.610.613.816.619.219.416.411.67.74.8

Average High Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C16.18.710.312.615.218.621.624.725.121.815.711.17.7

Average Low Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C7.42.72.54.568.911.613.713.811.17.44.41.9

Average Precipitation
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm1018.5144.8109.2101.678.753.340.622.922.943.296.5165.1137.2

Highest Recorded Temperature
Years on Record: 68  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C39.417.821.125.629.433.935.639.437.236.731.723.317.8

Lowest Recorded Temperature
Years on Record: 68  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C-17.8-17.8-17.2-11.7-1.7-2.23.36.16.71.7-2.2-14.4-14.4

Average Length of Day
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Hours12.89.610.912.514.215.816.616.114.71311.39.99.1

Average Number of Days Above 90F/32C
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days2.1---------------0.31.30.50.1---------

Average Number of Days Below 32F/0C
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days25.76.65.71.80.1---------------0.53.57.7

Average Snowfall
Years on Record: 49  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm291243---------------------36

Average Number of Rainy Days
Years on Record: 49  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days15418161714109569131819

Most Rain Reported in a Month
Years on Record: 48  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm13903202302101601209060110140190270290

Average Relative Humidity
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
%75.280.976.776.773.771.469.967.16973.880.582.580.9

Average Morning Relative Humidity
Years on Record: 48  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
%83838384838079798388888685

Average Evening Relative Humidity
Years on Record: 48  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
%62756963575453495156687679

Average Dew Point
Years on Record: 48  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C6---12368111110731




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WEATHER FORECAST

As of 3:35 am 28/5/17 EDT

Sunday
Clear
24°
14°
Monday
Clear
23°
11°
Tuesday
Cloudy
18°
11°
Wednesday
Cloudy
17°
14°
Thursday
Cloudy
18°
13°
Friday
Cloudy
15°
12°
Saturday
Partly Cloudy
15°
10°

Forecast data from The Norwegian Meteorological Institute; Current conditions data from the National Weather Service
All historical data and normals © Weatherbase


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