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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.

Clear

57°F

14°C

Humidity 67%
Wind Speed S 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 01 Nov 04:20 PM PDT
Extended Forecast for

Mercer Island WA

Flood Watch November 1, 04:37pm until November 2, 04:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch November 1, 04:37pm until November 2, 04:00am

    NOW until 4:00am Sun

    Flood Watch

  • This Afternoon

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 2am. Low around 47. South southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain then
    Chance Rain

  • Sunday

    Sunday: A 10 percent chance of rain before 7am. Mostly sunny, with a high near 54. South wind 3 to 8 mph.

    High: 54 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Calm wind becoming north northeast around 6 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 53. North wind 3 to 6 mph.

    High: 53 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 51.

    Low: 51 °F

    Rain

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Partly sunny, with a steady temperature around 55. Southwest wind around 13 mph, with gusts as high as 25 mph.
Tonight
Rain, mainly before 2am. Low around 47. South southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 10 percent chance of rain before 7am. Mostly sunny, with a high near 54. South wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 45. Calm wind becoming north northeast around 6 mph after midnight.
Monday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 53. North wind 3 to 6 mph.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Tuesday Night
Rain. Cloudy, with a low around 51.
Wednesday
Rain. Cloudy, with a high near 57.
Wednesday Night
Rain. Cloudy, with a low around 51.
Thursday
Rain. Cloudy, with a high near 55.
Thursday Night
Rain. Cloudy, with a low around 49.
Friday
Rain. Cloudy, with a high near 53.
Friday Night
Rain likely. Mostly cloudy, with a low around 45.
Saturday
Rain likely. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.58°N 122.25°W (Elev. 105 ft)
Last Update:
3:03 pm PDT Nov 1, 2025
Forecast Valid:
4pm PDT Nov 1, 2025-6pm PST Nov 8, 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