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

59°F

15°C

Humidity 54%
Wind Speed NNW 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Oct 05:00 PM PDT
Extended Forecast for

Seatac WA

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after noon. Cloudy, with a high near 53. South southeast wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain. Steady temperature around 51. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain

  • Sunday

    Sunday: Rain. High near 58. South southwest wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47. South wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Light and variable wind.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 53. South southeast wind 3 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Steady temperature around 51. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 58. South southwest wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47. South wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, with a high near 60.
Monday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 47.
Tuesday
A chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 44.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 47.
Thursday
Rain likely. Mostly cloudy, with a high near 60.
Thursday Night
Rain. Cloudy, with a low around 50.
Friday
Rain. Cloudy, with a high near 58.
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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:
2:51 pm PDT Oct 17, 2025
Forecast Valid:
5pm PDT Oct 17, 2025-6pm PDT Oct 24, 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