Cottonwood Lakes Weather Forecast

    • 40
    • 63

    Mostly Sunny

    • 36
    • 63

    Breezy

    • 36
    • 60

    Breezy

    • 34
    • 56

    Sunny

    • 34
    • 57

    Mostly Sunny

    • 34
    • 56

    Mostly Sunny

Today 11 Sep Eastern Sierra Slopes of Inyo County

Sunny. Highs 69 to 79. West Winds 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 11 Sep Eastern Sierra Slopes of Inyo County

Mostly clear. Lows 48 to 58. West Winds 15 to 25 Mph with Gusts to around 40 Mph.

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Cottonwood Lakes Temperature Statistics

September Temperature

Porterville, Porterville Municipal Airport (57.2 miles)

  • Lowest 2 September, 2026

    53.1 °F

  • Average September

    74.3 °F

  • Highest 9 September, 2026

    100.9 °F

Climate (2021–2026)

Porterville, Porterville Municipal Airport (57.2 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    79 °F
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