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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 | 44% |
| Wind Speed | NNW 6 MPH |
| Barometer | 29.93 in (1013.55 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 11 Oct 06:00 PM PDT |
Extended Forecast for
Mercer Island WA
Tonight
Low: 45 °F
Clear
Columbus Day
High: 62 °F
Sunny
Monday Night
Low: 47 °F
Partly Cloudy
Tuesday
High: 63 °F
Mostly Sunny
Tuesday Night
Low: 52 °F
Mostly Cloudy
Wednesday
High: 65 °F
Partly Sunny
Wednesday Night
Low: 51 °F
Partly Cloudy
Thursday
High: 70 °F
Partly Sunny
Thursday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 45. North wind around 6 mph becoming calm in the evening.
Columbus Day
Sunny, with a high near 62. Calm wind.
Monday Night
Partly cloudy, with a low around 47. Calm wind.
Tuesday
Mostly sunny, with a high near 63. Light south southeast wind.
Tuesday Night
Mostly cloudy, with a low around 52. Light south southeast wind.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 73.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 55.
Saturday
A chance of rain. Partly sunny, with a high near 65.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Sunday
A chance of rain. Mostly cloudy, with a high near 63.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mercer Island WA
47.55°N 122.24°W (Elev. 3 ft)
47.55°N 122.24°W (Elev. 3 ft)
11:26 am PDT Oct 11, 2026
6pm PDT Oct 11, 2026-6pm PDT Oct 18, 2026
Additional Resources
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Hourly Weather Forecast
