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Current conditions at
Boeing Field - King County International Airport (KBFI)
Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.
Clear
54°F
12°C
| Humidity | 93% |
| Wind Speed | N 0 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 04 Oct 02:53 AM PDT |
Extended Forecast for
Mercer Island WA
Overnight
Low: 58 °F
Partly Cloudy
Sunday
High: 71 °F
Mostly Sunny
Sunday Night
Low: 55 °F
Increasing
CloudsMonday
High: 69 °F
Mostly Cloudy
Monday Night
Low: 55 °F
Partly Cloudy
Tuesday
High: 66 °F
Mostly Sunny
Tuesday Night
Low: 53 °F
Mostly Clear
Wednesday
High: 67 °F
Mostly Sunny
Wednesday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a steady temperature around 58. Light north wind.
Sunday
Mostly sunny, with a high near 71. Light and variable wind.
Sunday Night
Increasing clouds, with a low around 55. Calm wind.
Monday
Mostly cloudy, with a high near 69. Calm wind.
Monday Night
Partly cloudy, with a low around 55. Light north northeast wind.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 53.
Friday
A chance of rain. Mostly cloudy, with a high near 64.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50.
Saturday
A chance of rain. Mostly cloudy, with a high near 61.
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 pm PDT Oct 3, 2026
3am PDT Oct 4, 2026-6pm PDT Oct 10, 2026
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