Crater Lake Weather Forecast

    • 48
    • 63

    Partly Sunny

    • 47
    • 66

    Mostly Sunny

    • 44
    • 60

    Partly Sunny

    • 42
    • 54

    Partly Sunny

    • 44
    • 54

    Mostly Cloudy

    • 45
    • 59

    Chance Rain

Today 19 Sep Cascades of Snohomish and Northern King Counties

Mostly sunny. Freezing level near 13000 feet. Afternoon pass Temperatures in the upper 60s. Light wind.

Tonight 19 Sep Cascades of Snohomish and Northern King Counties

Mostly clear. Freezing level near 13000 feet. Lows in the upper 40s. Light wind.

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  • Temperature Real-Time

Crater Lake Temperature Statistics

September Temperature

Stampede Pass (31.1 miles)

  • Lowest 3 September, 2026

    39.9 °F

  • Average September

    49.4 °F

  • Highest 9 September, 2026

    71.1 °F

Climate (2021–2026)

Stampede Pass (31.1 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    41.5 °F

  • Average High 2021–2026

    48.2 °F
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