NWS Forecast for: Seatac WA
Issued by: National Weather Service Seattle, WA
Last Update: 6:31 pm PDT May 21, 2022
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  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Clear, with a low around 8. North wind 6 to 11 km/h becoming light northeast  after midnight.

    Slight Chance
    T-storms then
    Clear

    Low: 8 °C

  • Sunday

    Sunday: Increasing clouds, with a high near 21. Calm wind becoming west northwest 5 to 10 km/h in the morning.

    Increasing
    Clouds

    High: 21 °C

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 11. Southwest wind 5 to 10 km/h becoming calm  in the evening.

    Mostly Cloudy


    Low: 11 °C

  • Monday

    Monday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 17. Calm wind becoming south southwest 5 to 10 km/h in the morning.

    Slight Chance
    Rain

    High: 17 °C

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 9. Northwest wind 5 to 10 km/h becoming calm  after midnight.

    Mostly Cloudy


    Low: 9 °C

  • Tuesday

    Tuesday: Partly sunny, with a high near 18.

    Partly Sunny


    High: 18 °C

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 11.

    Slight Chance
    Rain

    Low: 11 °C

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 19.

    Mostly Cloudy


    High: 19 °C

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 11.

    Mostly Cloudy


    Low: 11 °C

  • Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Clear, with a low around 8. North wind 6 to 11 km/h becoming light northeast after midnight.

    Sunday: Increasing clouds, with a high near 21. Calm wind becoming west northwest 5 to 10 km/h in the morning.

    Sunday Night: Mostly cloudy, with a low around 11. Southwest wind 5 to 10 km/h becoming calm in the evening.

    Monday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 17. Calm wind becoming south southwest 5 to 10 km/h in the morning.

    Monday Night: Mostly cloudy, with a low around 9. Northwest wind 5 to 10 km/h becoming calm after midnight.

    Tuesday: Partly sunny, with a high near 18.

    Tuesday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 11.

    Wednesday: Mostly cloudy, with a high near 19.

    Wednesday Night: Mostly cloudy, with a low around 11.

    Thursday: A slight chance of rain after 11am. Mostly cloudy, with a high near 20.

    Thursday Night: Rain likely. Mostly cloudy, with a low around 11.

    Friday: Rain likely. Mostly cloudy, with a high near 16.

    Friday Night: A chance of rain. Mostly cloudy, with a low around 9.

    Saturday: A chance of rain. Mostly cloudy, with a high near 16.



    Seatac WA
     47.44°N 122.27°W (Elev. 77 m)

    Visit your local NWS office at: https://www.weather.gov/sew