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

45°F

7°C

Humidity 93%
Wind Speed NE 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 Nov 11:00 PM PST
Extended Forecast for

Seatac WA

  • Tonight

    Tonight: Partly cloudy, with a low around 40. South southeast wind around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Partly sunny, with a high near 51. South southeast wind 6 to 8 mph.

    High: 51 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46. South wind around 7 mph.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain. Mostly cloudy, with a high near 55. South southwest wind around 8 mph.

    High: 55 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 10pm. Low around 48. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain

  • Sunday

    Sunday: Rain. High near 51. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 10am. Partly sunny, with a high near 49.

    High: 49 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. South southeast wind around 5 mph.
Friday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 51. South southeast wind 6 to 8 mph.
Friday Night
A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 46. South wind around 7 mph.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 55. South southwest wind around 8 mph.
Saturday Night
Rain, mainly after 10pm. Low around 48. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 51. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 10am. Partly sunny, with a high near 49.
Monday Night
A slight chance of showers before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Cloudy, with a high near 49.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 43.
Thanksgiving Day
A chance of rain. Mostly cloudy, with a high near 50.
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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:
7:01 pm PST Nov 20, 2025
Forecast Valid:
11pm PST Nov 20, 2025-6pm PST Nov 27, 2025
 
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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