Island Lakes Weather Forecast

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    • 48

    Rain Showers Likely

    • 33
    • 41

    Rain Showers Likely

    • 37
    • 45

    Rain

    • 36
    • 39

    Rain Showers

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    • 41

    Chance Rain

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    Chance Rain

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    Chance Rain

Today 16 Oct Cascades of Southern King County

Sunny until late afternoon then becoming partly sunny. Freezing level near 12000 feet. Afternoon pass Temperatures in the lower 50s. Light wind in the Passes.

Tonight 16 Oct Cascades of Southern King County

Mostly cloudy. A slight chance of Showers in the evening. A chance of Showers after midnight. Snow level near 8000 feet. Light wind in the Passes.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Lakes Temperature Statistics

October Temperature

Stampede Pass (13.7 miles)

  • Lowest 14 October, 2025

    28 °F

  • Average October

    42.6 °F

  • Highest 6 October, 2025

    59 °F

Climate (2020–Present)

Stampede Pass (13.7 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    41.5 °F

  • Average High 2020–2025

    48.3 °F
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