Arctic Air for the Northeast and Mid-Atlantic; Increase Moisture for Pacific Northwest; Active Pattern for Hawaii

An arctic cold front will impact the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest and Hawaii this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Current conditions at

Boeing Field - King County International Airport (KBFI)

Lat: 47.54548°NLon: 122.3147°WElev: 20.0ft.

Clear

43°F

6°C

Humidity 88%
Wind Speed SSE 6 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 07 Feb 01:53 AM PST
Extended Forecast for

Mercer Island WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. Light south southeast wind.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain.  High near 54. South wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Saturday Night

    Saturday Night: Rain before 3am, then a chance of rain after 4am.  Low around 45. South wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Rain then
    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 10am.  Cloudy, with a high near 51. Light and variable wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 43. South wind 3 to 5 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 4pm.  Mostly cloudy, with a high near 51. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain.  Partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. Light south southeast wind.
Saturday
Rain. High near 54. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain before 3am, then a chance of rain after 4am. Low around 45. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely, mainly after 10am. Cloudy, with a high near 51. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43. South wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39.
Tuesday
A slight chance of rain. Partly sunny, with a high near 52.
Tuesday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 38.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 51.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Mostly cloudy, with a high near 51.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41.
Friday
Rain likely. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer Island WA
 47.6°N 122.22°W (Elev. 3 ft)
1:26 am PST Feb 7, 2026
2am PST Feb 7, 2026-6pm PST Feb 13, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database