Crystal Lake Weather Forecast

    • 50
    • 66

    Mostly Cloudy

    • 44
    • 58

    Rain Likely

    • 41
    • 50

    Rain

    • 40
    • 46

    Rain Showers

    • 42
    • 51

    Rain Likely

    • 46
    • 56

    Chance Rain

    • 47
    • 58

    Chance Rain

Today 31 Aug Cascades of Southern King County

Mostly sunny. Freezing level near 12500 feet. Afternoon pass Temperatures in the mid 70s. Light wind in the Passes.

Tonight 31 Aug Cascades of Southern King County

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy then becoming mostly cloudy late in the night. Freezing level near 12500 feet. Light wind in the Passes.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

August Temperature

Stampede Pass (11.8 miles)

  • Lowest 29 August, 2026

    41 °F

  • Average August

    58.4 °F

  • Highest 21 August, 2026

    86 °F

Climate (2021–2026)

Stampede Pass (11.8 miles)

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  • Average Low 2021–2026

    36.2 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    48.3 °F
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