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.

Overcast

58°F

14°C

Humidity 83%
Wind Speed S 6 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 18 Sep 08:53 AM PDT
Extended Forecast for

4 Miles NW Vashon WA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 62. South southwest wind 7 to 9 mph.

    High: 62 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. South southwest wind 3 to 8 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 61 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. North wind 5 to 8 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. North wind 5 to 7 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 62. South southwest wind 7 to 9 mph.
Tonight
Increasing clouds, with a low around 50. South southwest wind 3 to 8 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 61. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 51. North wind 5 to 8 mph.
Sunday
Sunny, with a high near 62. North wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 50.
Monday
Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Vashon WA
 47.48°N 122.5°W (Elev. 0 ft)
Last Update:
11:26 pm PDT Sep 17, 2026
Forecast Valid:
9am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation