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.

Clear

46°F

8°C

Humidity 87%
Wind Speed NNE 4 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 28 Nov 08:35 AM PST
Extended Forecast for

2 Miles NW Mercer Island WA

  • Today

    Today: Sunny, with a high near 52. North wind around 6 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 49. East northeast wind 3 to 5 mph.

    High: 49 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 4am. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Rain Likely

  • Tuesday

    Tuesday: A chance of rain before 10am. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Today
Sunny, with a high near 52. North wind around 6 mph.
Tonight
Increasing clouds, with a low around 42. Calm wind becoming north northeast around 5 mph after midnight.
Saturday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 49. East northeast wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 37. Calm wind.
Sunday
Partly sunny, with a high near 47. Calm wind.
Sunday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 39.
Monday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.
Monday Night
Rain likely, mainly before 4am. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain before 10am. Mostly cloudy, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Mercer Island WA
 47.6°N 122.25°W (Elev. 3 ft)
Last Update:
7:00 am PST Nov 28, 2025
Forecast Valid:
8am PST Nov 28, 2025-6pm PST Dec 4, 2025
 
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