Current conditions at
Boeing Field - King County International Airport (KBFI)
Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.
Clear
72°F
22°C
| Humidity | 49% |
| Wind Speed | NW 5 MPH |
| Barometer | 29.95 in (1014.22 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 17 Aug 07:20 PM PDT |
Extended Forecast for
Mercer Island WA
Tonight
Low: 60 °F
Increasing
CloudsMonday
High: 73 °F
Decreasing
CloudsMonday Night
Low: 59 °F
Mostly Cloudy
Tuesday
High: 73 °F
Partly Sunny
Tuesday Night
Low: 58 °F
Mostly Cloudy
Wednesday
High: 73 °F
Mostly Sunny
Wednesday Night
Low: 56 °F
Mostly Clear
Thursday
High: 74 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Tonight
Increasing clouds, with a low around 60. Light and variable wind.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 73. South wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 59. South wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 79.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mercer Island WA
47.58°N 122.25°W (Elev. 105 ft)
47.58°N 122.25°W (Elev. 105 ft)
2:25 pm PDT Aug 17, 2025
7pm PDT Aug 17, 2025-6pm PDT Aug 24, 2025
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