


Current conditions at
Boeing Field - King County International Airport (KBFI)
Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.
Clear
67°F
19°C
Humidity | 75% |
Wind Speed | N 0 MPH |
Barometer | 30.04 in (1017.27 mb) |
Dewpoint | 59°F (15°C) |
Visibility | 10.00 mi |
Last update | 30 Aug 08:53 PM PDT |
Extended Forecast for
Mercer Island WA
Tonight
Low: 59 °F
Partly Cloudy
Sunday
High: 80 °F
Slight Chance
Showers then
Mostly SunnySunday Night
Low: 61 °F
Partly Cloudy
Labor Day
High: 80 °F
Decreasing
CloudsMonday Night
Low: 60 °F
Mostly Clear
Tuesday
High: 81 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 64 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 59. Light and variable wind.
Sunday
A 20 percent chance of showers before 8am. Partly sunny, with a high near 80. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 61. Calm wind.
Labor Day
Mostly cloudy, then gradually becoming sunny, with a high near 80. Light and variable wind.
Monday Night
Mostly clear, with a low around 60. Light north wind.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT 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)
8:01 pm PDT Aug 30, 2025
9pm PDT Aug 30, 2025-6pm PDT Sep 6, 2025