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

55°F

13°C

Humidity 93%
Wind Speed WSW 3 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 19 Sep 10:15 AM PDT
Extended Forecast for

Downtown Seattle WA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind.

    High: 71 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Light north northeast wind.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Calm wind becoming north around 6 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. North wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71. Light and variable wind.

    High: 71 °F

    Mostly Sunny

  • Monday Night

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

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind.
Tonight
Increasing clouds, with a low around 54. Light north northeast wind.
Sunday
Mostly sunny, with a high near 71. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 54. North wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 71. Light and variable wind.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 54.
Thursday
Mostly cloudy, with a high near 64.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Downtown Seattle WA
 47.61°N 122.32°W (Elev. 240 ft)
Last Update:
12:25 am PDT Sep 19, 2026
Forecast Valid:
10am PDT Sep 19, 2026-6pm PDT Sep 25, 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