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

Boeing Field - King County International Airport (KBFI)

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

Mostly Cloudy

43°F

6°C

Humidity 56%
Wind Speed N 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 27 Dec 03:35 PM PST
Extended Forecast for

5 Miles NNW Vashon WA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 41. Light south wind.

    High: 41 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Mostly cloudy, with a high near 45. North northeast wind around 5 mph.

    High: 45 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 34. North northeast wind 3 to 5 mph.

    Low: 34 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 45.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 10pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 41. Light south wind.
Sunday Night
Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Monday
Mostly cloudy, with a high near 45. North northeast wind around 5 mph.
Monday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 34. North northeast wind 3 to 5 mph.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 38.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
A chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Vashon WA
 47.52°N 122.51°W (Elev. 3 ft)
Last Update:
1:25 pm PST Dec 27, 2025
Forecast Valid:
3pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Chance of Precipitation