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.

Overcast

59°F

15°C

Humidity 82%
Wind Speed S 9 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Oct 05:55 AM PDT
Extended Forecast for

2 Miles N Mercer Island WA

  • Today

    Today: Rain. Steady temperature around 59. South southwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain

  • Tonight

    Tonight: A chance of rain before 3am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 49. Light and variable wind becoming east around 5 mph in the evening. Chance of precipitation is 30%.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming north around 6 mph in the afternoon.

    High: 60 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. North wind 5 to 7 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Rain. Steady temperature around 59. South southwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain before 3am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 49. Light and variable wind becoming east around 5 mph in the evening. Chance of precipitation is 30%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 45. North wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 63. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Sunday Night
Clear, with a low around 44.
Columbus Day
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 51.
Wednesday
A chance of rain. Mostly cloudy, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
Last Update:
11:26 pm PDT Oct 8, 2026
Forecast Valid:
6am PDT Oct 9, 2026-6pm PDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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