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

Seattle, Seattle-Tacoma International Airport (KSEA)

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

Clear

63°F

17°C

Humidity 72%
Wind Speed WNW 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Sep 06:20 PM PDT
Extended Forecast for

4 Miles WSW Vashon WA

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Light north wind.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 73 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 51. North northeast wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 71. Light north wind.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Light north northeast wind.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. Light north wind.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming north northeast around 6 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 51. North northeast wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 71. Light north wind.
Monday Night
Partly cloudy, with a low around 52. Light north northeast wind.
Tuesday
Mostly cloudy, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly cloudy, with a high near 61.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Friday
A slight chance of rain. Partly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Vashon WA
 47.43°N 122.55°W (Elev. 157 ft)
Last Update:
12:55 pm PDT Sep 19, 2026
Forecast Valid:
6pm PDT Sep 19, 2026-6pm PDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation