Crater Lake Weather Forecast

    • 48
    • 64

    Increasing Clouds

    • 46
    • 64

    Partly Sunny

    • 42
    • 59

    Mostly Sunny

    • 43
    • 57

    Partly Sunny

    • 43
    • 59

    Mostly Cloudy

    • 39
    • 50

    Slight Chance Rain

Today 20 Sep South Central Oregon Cascades

Sunny. Highs in the lower 70s to lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 20 Sep South Central Oregon Cascades

Mostly clear. Lows in the mid 40s to lower 50s. East Winds around 5 Mph.

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Crater Lake Temperature Statistics

September Temperature

Rogue Valley International Airport (55.3 miles)

  • Lowest 14 September, 2026

    42.7 °F

  • Average September

    64.2 °F

  • Highest 9 September, 2026

    96.7 °F

Climate (2021–2026)

Rogue Valley International Airport (55.3 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    70.1 °F
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