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Hazardous Weather Conditions

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Mist

50°F

10°C

Humidity 93%
Wind Speed S 13 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 48°F (9°C)
Visibility 1.75 mi
Wind Chill45°F (7°C)
Last update 05 Dec 10:00 AM PST
Extended Forecast for

Mercer Island WA

  • Today

    Today: Rain likely, mainly before noon. Mostly cloudy, with a high near 55. South southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely

  • Tonight

    Tonight: Rain, mainly before 3am. Low around 48. South southwest wind around 14 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: Rain. High near 53. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 47. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain

  • Sunday

    Sunday: Rain. High near 55. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm. Low around 49. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain

  • Monday

    Monday: Rain. High near 56. Chance of precipitation is 100%.

    High: 56 °F

    Rain

  • Monday Night

    Monday Night: Rain. Cloudy, with a low around 48.

    Low: 48 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 53.

    High: 53 °F

    Rain

Detailed Forecast

Today
Rain likely, mainly before noon. Mostly cloudy, with a high near 55. South southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 3am. Low around 48. South southwest wind around 14 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 53. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 47. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 55. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain, mainly before 10pm. Low around 49. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain. High near 56. Chance of precipitation is 100%.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Cloudy, with a high near 53.
Tuesday Night
Rain. Cloudy, with a low around 46.
Wednesday
Rain. Cloudy, with a high near 52.
Wednesday Night
Rain. Mostly cloudy, with a low around 46.
Thursday
Rain likely. Mostly cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
Last Update:
7:00 am PST Dec 5, 2025
Forecast Valid:
10am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
Forecast Discussion
 
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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