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

73°F

23°C

Humidity 29%
Wind Speed SW 5 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 16 Jun 04:15 PM PDT
Extended Forecast for

Seatac WA

  • Tonight

    Tonight: Mostly clear, with a low around 48. West southwest wind around 6 mph becoming south after midnight.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. South wind 5 to 8 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 11pm. Increasing clouds, with a low around 56. South southwest wind around 8 mph.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 68. South southwest wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming light and variable in the evening.

    Low: 50 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West southwest wind around 6 mph becoming south after midnight.
Tuesday
Mostly sunny, with a high near 73. South wind 5 to 8 mph.
Tuesday Night
A 30 percent chance of showers after 11pm. Increasing clouds, with a low around 56. South southwest wind around 8 mph.
Wednesday
Showers likely, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 68. South southwest wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming light and variable in the evening.
Juneteenth
Partly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 64.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 50.
Saturday
Showers likely. Mostly cloudy, with a high near 60.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52.
Sunday
A chance of showers. Mostly cloudy, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.44°N 122.3°W (Elev. 358 ft)
Last Update:
3:40 pm PDT Jun 16, 2025
Forecast Valid:
4pm PDT Jun 16, 2025-6pm PDT Jun 23, 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