Isabella Lake Weather Forecast

    • 55
    • 84

    Mostly Cloudy

    • 50
    • 69

    Slight Chance Thunderstorms

    • 52
    • 73

    Sunny

    • 52
    • 79

    Mostly Sunny

    • 49
    • 72

    Partly Sunny

    • 47
    • 65

    Breezy

    • 49
    • 68

    Mostly Sunny

Today 21 Oct Kern River Valley

Sunny. Highs 79 to 85. East Winds 5 to 10 Mph.

Tonight 21 Oct Kern River Valley

Mostly cloudy. A 20 percent chance of rain in the late evening and overnight. Lows in the mid 50s. East Winds up to 10 Mph shifting to the northwest after midnight.

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Isabella Lake Temperature Statistics

October Temperature

Tehachapi Municipal Airport (36 miles)

  • Lowest 16 October, 2025

    32 °F

  • Average October

    55.4 °F

  • Highest 9 October, 2025

    80.6 °F

Climate (2020–Present)

Tehachapi Municipal Airport (36 miles)

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  • Average Low 2020–2025

    44.5 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    68.5 °F
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