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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Clear

57°F

14°C

Humidity 87%
Wind Speed SE 9 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Sep 03:35 AM PDT
Extended Forecast for

6 Miles NNW Vashon WA

  • Overnight

    Overnight: Mostly clear, with a low around 53. Calm wind becoming south southwest around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 69. South wind around 8 mph.

    High: 69 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 51. Southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 51 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 68 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. North wind 5 to 7 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Calm wind becoming south southwest around 5 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 69. South wind around 8 mph.
Friday Night
Increasing clouds, with a low around 51. Southwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 68. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52. North wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly cloudy, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly cloudy, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Vashon WA
 47.52°N 122.51°W (Elev. 3 ft)
Last Update:
11:26 pm PDT Sep 17, 2026
Forecast Valid:
3am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

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