NWS Forecast for: Mercer Island WA
Issued by: National Weather Service Seattle, WA
Last Update: 6:02 pm PDT Jul 28, 2021
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  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 60. North northwest wind around 7 mph becoming east northeast in the evening.

    Decreasing
    Clouds

    Low: 60 °F

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    Sunny


    High: 82 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 62. North northwest wind around 8 mph becoming east northeast in the evening.

    Clear


    Low: 62 °F

  • Friday

    Friday: Sunny, with a high near 86. Northeast wind 5 to 8 mph becoming north northwest in the afternoon.

    Sunny


    High: 86 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 67. North northwest wind 6 to 9 mph becoming east northeast in the evening.

    Partly Cloudy


    Low: 67 °F

  • Saturday

    Saturday: Partly sunny, with a high near 83.

    Partly Sunny


    High: 83 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 64.

    Mostly Cloudy


    Low: 64 °F

  • Sunday

    Sunday: A slight chance of rain before 11am.  Mostly cloudy, with a high near 76.

    Slight Chance
    Rain then
    Mostly Cloudy

    High: 76 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 61.

    Partly Cloudy


    Low: 61 °F

  • Tonight: Mostly cloudy, then gradually becoming clear, with a low around 60. North northwest wind around 7 mph becoming east northeast in the evening.

    Thursday: Sunny, with a high near 82. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    Thursday Night: Clear, with a low around 62. North northwest wind around 8 mph becoming east northeast in the evening.

    Friday: Sunny, with a high near 86. Northeast wind 5 to 8 mph becoming north northwest in the afternoon.

    Friday Night: Partly cloudy, with a low around 67. North northwest wind 6 to 9 mph becoming east northeast in the evening.

    Saturday: Partly sunny, with a high near 83.

    Saturday Night: Mostly cloudy, with a low around 64.

    Sunday: A slight chance of rain before 11am. Mostly cloudy, with a high near 76.

    Sunday Night: Partly cloudy, with a low around 61.

    Monday: Mostly sunny, with a high near 76.

    Monday Night: Mostly clear, with a low around 59.

    Tuesday: Mostly sunny, with a high near 77.

    Tuesday Night: Mostly clear, with a low around 59.

    Wednesday: Mostly sunny, with a high near 78.



    Mercer Island WA
     47.58°N 122.25°W (Elev. 105 ft)

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