Cave Lake Weather Forecast

    • 46
    • 65

    Increasing Clouds

    • 48
    • 66

    Mostly Cloudy

    • 45
    • 65

    Mostly Sunny

    • 45
    • 64

    Partly Sunny

    • 45
    • 67

    Partly Sunny

    • 40
    • 60

    Partly Sunny

Today 20 Sep Modoc County

Partly cloudy then becoming sunny late this morning then becoming partly cloudy. Highs in the mid 70s to lower 80s. East Winds around 5 Mph.

Tonight 20 Sep Modoc County

Partly cloudy. Lows in the mid 40s to lower 50s. East Winds around 5 Mph.

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Cave Lake Temperature Statistics

September Temperature

Lake County Airport (15.5 miles)

  • Lowest 7 September, 2026

    28 °F

  • Average September

    55.3 °F

  • Highest 9 September, 2026

    86 °F

Climate (2021–2026)

Lake County Airport (15.5 miles)

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  • Average Low 2021–2026

    34.1 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    61.4 °F
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