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

12°C

54°F

Humidity 66%
Wind Speed SW 4 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 6°C (43°F)
Visibility 16 km
Last update 20 May 10:15 AM PDT
Extended Forecast for

Seatac WA

  • Today

    Today: Mostly sunny, with a high near 18. West southwest wind 5 to 8 km/h.

    High: 18 °C

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Increasing clouds, with a low around 9. West wind 8 to 10 km/h becoming south in the evening.

    Low: 9 °C

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 12. South wind 11 to 16 km/h. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 cm possible.

    High: 12 °C

    Rain

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 8. South southwest wind 16 to 18 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 8 °C

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 15. South wind 8 to 13 km/h.

    High: 15 °C

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9.

    Low: 9 °C

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 19.

    High: 19 °C

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 11pm. Mostly cloudy, with a low around 10.

    Low: 10 °C

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 17.

    High: 17 °C

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 18. West southwest wind 5 to 8 km/h.
Tonight
A 20 percent chance of rain after 4am. Increasing clouds, with a low around 9. West wind 8 to 10 km/h becoming south in the evening.
Tuesday
Rain. High near 12. South wind 11 to 16 km/h. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 cm possible.
Tuesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 8. South southwest wind 16 to 18 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.
Wednesday
A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 15. South wind 8 to 13 km/h.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 19.
Thursday Night
A slight chance of showers after 11pm. Mostly cloudy, with a low around 10.
Friday
A chance of showers. Partly sunny, with a high near 17.
Friday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 8.
Saturday
A slight chance of showers. Partly sunny, with a high near 16.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 8.
Sunday
A slight chance of showers. Partly sunny, with a high near 17.
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ABOUT THIS FORECAST

 
Point Forecast:
Seatac WA
 47.44°N 122.27°W (Elev. 253 m)
Last Update:
9:40 am PDT May 20, 2024
Forecast Valid:
10am PDT May 20, 2024-6pm PDT May 26, 2024
 
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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