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Current conditions at
Boeing Field - King County International Airport (KBFI)
Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.
Clear
68°F
20°C
| Humidity | 60% |
| Wind Speed | NW 3 MPH |
| Barometer | 30.02 in (1016.59 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 04 Oct 06:15 PM PDT |
Extended Forecast for
Mercer Island WA
Tonight
Low: 53 °F
Mostly Clear
Monday
High: 68 °F
Partly Sunny
Monday Night
Low: 54 °F
Partly Cloudy
Tuesday
High: 67 °F
Mostly Sunny
Tuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 68 °F
Mostly Sunny
Wednesday Night
Low: 52 °F
Mostly Clear
Thursday
High: 70 °F
Sunny
Thursday Night
Low: 53 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 53. Calm wind.
Monday
Partly sunny, with a high near 68. Light northeast wind.
Monday Night
Partly cloudy, with a low around 54. Calm wind.
Tuesday
Mostly sunny, with a high near 67. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 52. North northeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 68.
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, mainly after 11am. Mostly cloudy, with a high near 65.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50.
Saturday
A slight chance of rain. Partly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 62.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mercer Island WA
47.58°N 122.22°W (Elev. 118 ft)
47.58°N 122.22°W (Elev. 118 ft)
11:26 am PDT Oct 4, 2026
6pm PDT Oct 4, 2026-6pm PDT Oct 11, 2026
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