Tracking Winter Weather and Frigid Temperatures Through This Weekend
A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >
Current conditions at
Boeing Field - King County International Airport (KBFI)
Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.
Clear
38°F
3°C
| Humidity | 92% |
| Wind Speed | N 0 MPH |
| Barometer | 30.35 in (1027.77 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jan 02:53 AM PST |
Extended Forecast for
Mercer Island WA
Overnight
Low: 40 °F
Clear
Saturday
High: 53 °F
Sunny
Saturday Night
Low: 39 °F
Mostly Clear
Sunday
High: 50 °F
Sunny
Sunday Night
Low: 38 °F
Mostly Clear
M.L.King Day
High: 51 °F
Sunny
Monday Night
Low: 39 °F
Partly Cloudy
Tuesday
High: 49 °F
Partly Sunny
Tuesday Night
Low: 38 °F
Mostly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 40. North northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 53. North wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 39. Calm wind.
Sunday
Sunny, with a high near 50. Calm wind.
Sunday Night
Mostly clear, with a low around 38. Calm wind.
M.L.King Day
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Partly sunny, with a high near 48.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 38.
Friday
A chance of rain and snow. Partly sunny, with a high near 45.
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)
1:25 am PST Jan 17, 2026
3am PST Jan 17, 2026-6pm PST Jan 23, 2026
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