NWS Forecast for: Mercer Island WA
Issued by: National Weather Service Seattle, WA
Last Update: 11:48 pm PST Dec 4, 2022
Print


  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 32. Calm wind.

    Mostly Cloudy

    Low: 32 °F

  • Monday

    Monday: Mostly cloudy, with a high near 40. Light and variable wind.

    Mostly Cloudy

    High: 40 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a steady temperature around 37. Light east northeast wind.

    Mostly Cloudy

    Low: 37 °F

  • Tuesday

    Tuesday: A 30 percent chance of rain.  Cloudy, with a high near 42. Light south wind.

    Chance Rain

    High: 42 °F

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of rain.  Cloudy, with a low around 37. South wind around 6 mph.

    Chance Rain

    Low: 37 °F

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 4pm.  Cloudy, with a high near 44.

    Chance Rain

    High: 44 °F

  • Wednesday
    Night

    Wednesday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Rain Likely

    Low: 38 °F

  • Thursday

    Thursday: Rain.  Cloudy, with a high near 44.

    Rain

    High: 44 °F

  • Thursday
    Night

    Thursday Night: Rain likely.  Mostly cloudy, with a low around 35.

    Rain Likely

    Low: 35 °F

  • Overnight: Mostly cloudy, with a steady temperature around 32. Calm wind.

    Monday: Mostly cloudy, with a high near 40. Light and variable wind.

    Monday Night: Mostly cloudy, with a steady temperature around 37. Light east northeast wind.

    Tuesday: A 30 percent chance of rain. Cloudy, with a high near 42. Light south wind.

    Tuesday Night: A 40 percent chance of rain. Cloudy, with a low around 37. South wind around 6 mph.

    Wednesday: A 30 percent chance of rain, mainly after 4pm. Cloudy, with a high near 44.

    Wednesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Thursday: Rain. Cloudy, with a high near 44.

    Thursday Night: Rain likely. Mostly cloudy, with a low around 35.

    Friday: Rain likely. Mostly cloudy, with a high near 42.

    Friday Night: Rain likely. Mostly cloudy, with a low around 33.

    Saturday: Rain likely. Mostly cloudy, with a high near 42.

    Saturday Night: Rain. Mostly cloudy, with a low around 35.

    Sunday: Rain likely. Mostly cloudy, with a high near 45.



    Mercer Island WA
     47.56°N 122.21°W (Elev. 121 ft)

    Visit your local NWS office at: https://www.weather.gov/sew