National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

Lat: 47.44472°NLon: 122.31361°WElev: 427.0ft.

Overcast

59°F

15°C

Humidity 87%
Wind Speed SSW 6 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 02 Aug 08:05 AM PDT
Extended Forecast for

Seatac WA

  • Today

    Today: Widespread haze after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. Southwest wind 3 to 6 mph.

    High: 77 °F

    Partly Sunny
    then Haze

  • Tonight

    Tonight: Widespread haze before 10pm. Increasing clouds, with a low around 56. Light and variable wind.

    Low: 56 °F

    Haze then
    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 73. West southwest wind 3 to 6 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. West wind around 6 mph becoming south southwest after midnight.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. Southwest wind 5 to 8 mph.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain. Mostly cloudy, with a high near 75.

    High: 75 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Widespread haze after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 77. Southwest wind 3 to 6 mph.
Tonight
Widespread haze before 10pm. Increasing clouds, with a low around 56. Light and variable wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 73. West southwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 55. West wind around 6 mph becoming south southwest after midnight.
Monday
Mostly cloudy, with a high near 72. Southwest wind 5 to 8 mph.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Mostly cloudy, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 75.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 60.
Thursday
A chance of rain. Mostly cloudy, with a high near 72.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 77.
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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:
8:00 am PDT Aug 2, 2025
Forecast Valid:
8am PDT Aug 2, 2025-6pm PDT Aug 8, 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