National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Clear

77°F

25°C

Humidity 36%
Wind Speed N 6 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Sep 04:20 PM PDT
Extended Forecast for

Seattle-Tacoma International Airport WA

  • Tonight

    Tonight: Partly cloudy, with a low around 54. North northeast wind 6 to 9 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 69. North northeast wind 5 to 11 mph.

    High: 69 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. North wind 5 to 10 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. North northeast wind 5 to 8 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. North wind 5 to 7 mph becoming light and variable.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 11am. Partly sunny, with a high near 69.

    High: 69 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. North northeast wind 6 to 9 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 69. North northeast wind 5 to 11 mph.
Thursday Night
Mostly clear, with a low around 52. North wind 5 to 10 mph.
Friday
Sunny, with a high near 73. North northeast wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 53. North wind 5 to 7 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Sunday
Rain likely, mainly before 11am. Partly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A slight chance of rain. Partly sunny, with a high near 69.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 56.
Wednesday
A chance of rain. Mostly cloudy, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seattle-Tacoma International Airport WA
 47.46°N 122.31°W (Elev. 400 ft)
Last Update:
2:36 pm PDT Sep 17, 2025
Forecast Valid:
4pm PDT Sep 17, 2025-6pm PDT Sep 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation