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

55°F

13°C

Humidity 54%
Wind Speed NNW 10 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 21 May 08:20 PM PDT
Extended Forecast for

Seatac WA

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 48. North wind 5 to 8 mph becoming calm after midnight.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 66 °F

    Chance Rain
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. South southwest wind 3 to 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67. South southwest wind 3 to 6 mph.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. West southwest wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain after 11pm. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 48. North wind 5 to 8 mph becoming calm after midnight.
Thursday
A 30 percent chance of rain, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. South southwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 67. South southwest wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 46. West southwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 52.
Memorial Day
A slight chance of rain. Partly sunny, with a high near 71.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 51.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 72.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Wednesday
A chance of rain. Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.44°N 122.3°W (Elev. 358 ft)
Last Update:
3:40 pm PDT May 21, 2025
Forecast Valid:
8pm PDT May 21, 2025-6pm PDT May 28, 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