Skip Navigation Linksweather.gov 
NOAA logo - Click to go to the NOAA homepageNational Weather Service Forecast Office NWS logo - Click to go to the NWS homepage
Seattle, WA
 
 
 Point Forecast: Seatac WA
 47.44N 122.3W (Elev. 358 ft)
Last Update: 6:17 pm PDT Oct 18, 2021
Tabular Forecast
[hide menu]Get as XML
Weather ElementsWeather/PrecipitationFire Weather
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Snow
Freezing Rain
Sleet
Fog
Mixing Height  
Haines Index
Lightning Activity Level
Trans. Wind  

48-Hour Period Starting:       Back 2 Days  

Date10/1810/19
Hour (PDT)181920212223000102030405060708091011121314151617
Temperature (°F)535251504948474645454445444343464851535659596060
Dewpoint (°F)454445444343444343424243424141424343454546444444
Wind Chill (°F)4948474645444442454443434648
Surface Wind (mph)221333322333533211333533
Wind DirWSWWSWNENEESESESSWSESESESESESSESSESSSWWNWWNWNWWNWWNNW
Gust
Sky Cover (%)242623303926292728413936445647435254442626293426
Precipitation Potential (%)000111112112222222222222
Relative Humidity (%)737579808183889092909291939393878375736661585656
Rain------------------------------------------------
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Date10/20
Hour (PDT)181920212223000102030405060708091011121314151617
Temperature (°F)585655545455545352525252515050515253545657585857
Dewpoint (°F)454443434342424243434444454546474748484848484848
Wind Chill (°F)4845
Surface Wind (mph)5586655577733316161617171711111110
Wind DirNNNNENEENESESESESSSSWSWSWSSSSSWSSWSSWSSWSSWSSWS
Gust242424262626
Sky Cover (%)435451616668686884848493939386868691919191919173
Precipitation Potential (%)2222230303030303078787878787886868686868645
Relative Humidity (%)616465676562636770727375798386868582787471707071
Rain----------ChcChcChcChcChcChcOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlOcnlChc
Thunder------------------------------------------------
Snow------------------------------------------------
Freezing Rain------------------------------------------------
Sleet------------------------------------------------

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
User Defined Area

Webmaster
NOAA's National Weather Service
Seattle, WA
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities