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.

Mostly Cloudy

64°F

18°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 28 Aug 04:53 AM PDT
Extended Forecast for

Seattle-Tacoma International Airport WA

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 63. Light southwest wind.

    Low: 63 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind becoming northwest 5 to 7 mph in the morning.

    High: 78 °F

    Slight Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. North wind 5 to 7 mph becoming calm after midnight.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 80 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. North northwest wind around 6 mph becoming west southwest after midnight.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 63. Light southwest wind.
Thursday
A 20 percent chance of showers between 10am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind becoming northwest 5 to 7 mph in the morning.
Thursday Night
Partly cloudy, with a low around 62. North wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 61. North northwest wind around 6 mph becoming west southwest after midnight.
Saturday
Partly sunny, with a high near 79.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 58.
Labor Day
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 82.
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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:
3:09 am PDT Aug 28, 2025
Forecast Valid:
5am PDT Aug 28, 2025-6pm PDT Sep 3, 2025
 
Forecast Discussion
 
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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