Isabella Lake Weather Forecast

    • 60
    • 86

    Increasing Clouds

    • 53
    • 84

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 57
    • 82

    Sunny

    • 60
    • 89

    Sunny

    • 59
    • 89

    Mostly Sunny

Today 26 Sep Kern River Valley

Mostly sunny. Highs 83 to 89. West Winds up to 5 Mph increasing to 10 to 15 Mph with Gusts to around 30 Mph in the afternoon.

Tonight 26 Sep Kern River Valley

Mostly cloudy. Lows 56 to 62. West Winds up to 10 Mph. Gusts up to 30 Mph in the evening.

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Isabella Lake Temperature Statistics

September Temperature

Tehachapi Municipal Airport (36 miles)

  • Lowest 2 September, 2026

    42.8 °F

  • Average September

    65.5 °F

  • Highest 9 September, 2026

    93.2 °F

Climate (2021–2026)

Tehachapi Municipal Airport (36 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    68.4 °F
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