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

Hazardous Weather Conditions

Current conditions at

Boeing Field - King County International Airport (KBFI)

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

Mostly Cloudy

52°F

11°C

Humidity 76%
Wind Speed SSW 11 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 06 Dec 12:15 PM PST
Extended Forecast for

2 Miles NW Mercer Island WA

Flood Watch December 8, 04:00am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Rain, mainly before 2pm. High near 52. South southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 48. South wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain Likely
    then Rain

  • Sunday

    Sunday: Rain. High near 54. South southeast wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 50. South southwest wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain

  • Monday

    Monday: Rain. High near 56. South southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 56 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 49. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 49.

    Low: 49 °F

    Rain

  • Wednesday

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

    High: 53 °F

    Rain

Detailed Forecast

This Afternoon
Rain, mainly before 2pm. High near 52. South southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 48. South wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 54. South southeast wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 50. South southwest wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 56. South southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain. Low around 49. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain. High near 53. Chance of precipitation is 80%.
Tuesday Night
Rain. Cloudy, with a low around 49.
Wednesday
Rain. Cloudy, with a high near 53.
Wednesday Night
Rain. Mostly cloudy, with a low around 48.
Thursday
Rain likely. Mostly cloudy, with a high near 52.
Thursday Night
Rain likely. Mostly cloudy, with a low around 49.
Friday
Rain likely. Mostly cloudy, with a high near 54.
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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:
7:01 am PST Dec 6, 2025
Forecast Valid:
12pm PST Dec 6, 2025-6pm PST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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