Isabella Lake Weather Forecast

    • 60
    • 81

    Sunny

    • 62
    • 85

    Mostly Sunny

    • 60
    • 83

    Chance Rain

    • 64
    • 86

    Mostly Sunny

    • 67
    • 88

    Mostly Cloudy

    • 66
    • 89

    Partly Sunny

    • 64
    • 88

    Mostly Sunny

Today 4 Sep Kern River Valley

Breezy, sunny. Highs 77 to 83. West Winds 5 to 15 Mph increasing to 10 to 25 Mph in the afternoon.

Tonight 4 Sep Kern River Valley

Clear. Lows in the mid 50s. West Winds up to 15 Mph. Gusts up to 35 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

    61.7 °F

  • Highest 1 September, 2026

    77 °F

Climate (2021–2026)

Tehachapi Municipal Airport (36 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.5 °F
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