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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Mostly Cloudy

66°F

19°C

Humidity 48%
Wind Speed SSW 13 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 May 08:00 PM PDT
Extended Forecast for

Seatac WA

  • Tonight

    Tonight: Rain likely after 11pm. Cloudy, with a low around 50. South wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly before 11am. High near 61. Southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 49. South southwest wind 11 to 18 mph, with gusts as high as 26 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 61. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46. South southwest wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after 11am. Partly sunny, with a high near 58.

    High: 58 °F

    Rain Likely

  • Saturday Night

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

    Low: 44 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Rain likely after 11pm. Cloudy, with a low around 50. South wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 11am. High near 61. Southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Increasing clouds, with a low around 49. South southwest wind 11 to 18 mph, with gusts as high as 26 mph.
Thursday
Partly sunny, with a high near 61. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46. South southwest wind 9 to 14 mph, with gusts as high as 20 mph.
Friday
A 50 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 56.
Friday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 43.
Saturday
Rain likely, mainly after 11am. Partly sunny, with a high near 58.
Saturday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 64.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 68.
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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:
1:31 pm PDT May 12, 2026
Forecast Valid:
8pm PDT May 12, 2026-6pm PDT May 19, 2026
 
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