
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
52°F
11°C
| Humidity | 57% |
| Wind Speed | NW 5 MPH |
| Barometer | 30.26 in (1024.72 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 17 Jan 01:35 PM PST |
Extended Forecast for
Mercer Island WA
This Afternoon

High: 53 °F
Sunny
Tonight

Low: 32 °F
Mostly Clear
Sunday

High: 51 °F
Sunny
Sunday Night

Low: 33 °F
Mostly Clear
M.L.King Day

High: 51 °F
Sunny
Monday Night

Low: 32 °F
Partly Cloudy
Tuesday

High: 49 °F
Partly Sunny
Tuesday Night

Low: 39 °F
Partly Cloudy
Wednesday

High: 48 °F
Partly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 53. North wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 32. Calm wind.
Sunday
Sunny, with a high near 51. Calm wind.
Sunday Night
Mostly clear, with a low around 33. Calm wind.
M.L.King Day
Sunny, with a high near 51. Calm wind.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 47.
Additional Forecasts and Information
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ABOUT 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 pm PST Jan 17, 2026
1pm PST Jan 17, 2026-6pm PST Jan 23, 2026


