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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.

Overcast

58°F

14°C

Humidity 90%
Wind Speed S 5 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Sep 05:53 AM PDT
Extended Forecast for

Seattle WA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 72. South southwest wind 5 to 7 mph.

    High: 72 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Calm wind becoming south around 6 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. North wind 3 to 6 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71. North wind 3 to 6 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 72. South southwest wind 5 to 7 mph.
Tonight
Increasing clouds, with a low around 54. Calm wind becoming south around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Light and variable wind.
Saturday Night
Mostly clear, with a low around 54. North wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 71. North wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seattle WA
 47.62°N 122.36°W (Elev. 105 ft)
Last Update:
11:26 pm PDT Sep 17, 2026
Forecast Valid:
6am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

Radar & Satellite Image

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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