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

61°F

16°C

Humidity 77%
Wind Speed W 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Sep 02:05 PM PDT
Extended Forecast for

Seattle WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. Light northwest wind.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Light north northeast wind.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 68. Light north northwest wind.

    High: 68 °F

    Partly 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 67.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

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

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. Light northwest wind.
Tonight
Mostly clear, with a low around 55. Light north northeast wind.
Sunday
Mostly sunny, with a high near 69. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 54. North northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 68. Light north northwest wind.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly cloudy, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly cloudy, with a high near 62.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Friday
A slight chance of rain. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seattle WA
 47.6°N 122.35°W (Elev. 0 ft)
Last Update:
12:55 pm PDT Sep 19, 2026
Forecast Valid:
2pm 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