Crystal Lake Weather Forecast

    • 41
    • 59

    Chance Rain

    • 35
    • 47

    Rain

    • 45
    • 53

    Mostly Sunny

    • 47
    • 58

    Mostly Sunny

    • 38
    • 53

    Partly Sunny

    • 39
    • 48

    Slight Chance Rain

    • 43
    • 53

    Partly Sunny

Today 13 Sep Cascades of Pierce and Lewis Counties

Mostly sunny. Areas of dense fog late in the morning. Freezing level near 14000 feet.

Tonight 13 Sep Cascades of Pierce and Lewis Counties

Partly cloudy in the Evening, then mostly cloudy with a slight chance of rain and snow after midnight. Cloudy with a chance of rain and snow late in the night. Snow level near 9000 feet.

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  • Temperature Forecast NOAA

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Crystal Lake Temperature Statistics

September Temperature

Stampede Pass (26.7 miles)

  • Lowest 8 September, 2025

    50 °F

  • Average September

    61.6 °F

  • Highest 2 September, 2025

    87.1 °F

Climate (2020–Present)

Stampede Pass (26.7 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    41.6 °F

  • Average High 2020–2025

    48.3 °F
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