Ershim Lake Weather Forecast

    • 31
    • 48

    Becoming Sunny

    • 30
    • 52

    Partly Sunny

    • 32
    • 52

    Chance Rain/Snow

    • 31
    • 40

    Chance Rain/Snow

    • 30
    • 38

    Chance Rain/Snow

    • 28
    • 40

    Chance Snow

Today 17 Dec Kaiser to Rodgers Ridge

Sunny. Highs 47 to 57. Northwest Winds up to 10 Mph with Gusts to around 30 Mph.

Tonight 17 Dec Kaiser to Rodgers Ridge

Mostly clear. Lows 30 to 40. North Winds up to 10 Mph.

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Ershim Lake Temperature Statistics

December Temperature

Mammoth Yosemite Airport (30.4 miles)

  • Lowest 4 December, 2025

    10.4 °F

  • Average December

    35.2 °F

  • Highest 11 December, 2025

    66.2 °F

Climate (2020–Present)

Mammoth Yosemite Airport (30.4 miles)

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  • Average Low 2020–2025

    29.6 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    60.8 °F
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