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.

Partly Cloudy

44°F

7°C

Humidity 76%
Wind Speed ENE 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Oct 08:53 AM PDT
Extended Forecast for

Seatac WA

  • Today

    Today: Sunny, with a high near 60. Calm wind becoming northwest around 5 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind becoming south around 6 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 58. South wind 6 to 9 mph.

    High: 58 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 50. South wind 8 to 11 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 60. South wind around 7 mph becoming west in the afternoon.

    High: 60 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Cloudy, with a low around 49.

    Low: 49 °F

    Rain

  • Sunday

    Sunday: Rain. Cloudy, with a high near 57.

    High: 57 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 60. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 42. Calm wind becoming south around 6 mph after midnight.
Thursday
Partly sunny, with a high near 58. South wind 6 to 9 mph.
Thursday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 50. South wind 8 to 11 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 60. South wind around 7 mph becoming west in the afternoon.
Friday Night
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 46.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 58.
Saturday Night
Rain. Cloudy, with a low around 49.
Sunday
Rain. Cloudy, with a high near 57.
Sunday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 46.
Monday
A chance of showers. Partly sunny, with a high near 57.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.46°N 122.31°W (Elev. 400 ft)
Last Update:
8:00 am PDT Oct 15, 2025
Forecast Valid:
9am PDT Oct 15, 2025-6pm PDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation