Ershim Lake Weather Forecast

    • 40
    • 61

    Mostly Sunny

    • 40
    • 61

    Mostly Sunny

    • 37
    • 58

    Mostly Sunny

    • 36
    • 57

    Partly Sunny

    • 32
    • 53

    Mostly Sunny

    • 34
    • 54

    Sunny

    • 37
    • 59

    Sunny

Today 23 Sep Kaiser to Rodgers Ridge

Warmer, sunny. Highs 61 to 71. Southeast Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 23 Sep Kaiser to Rodgers Ridge

Mostly clear. Lows 39 to 53. Northeast Winds up to 10 Mph.

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  • Temperature Real-Time

Ershim Lake Temperature Statistics

September Temperature

Mammoth Yosemite Airport (30.4 miles)

  • Lowest 18 September, 2026

    28.4 °F

  • Average September

    58.3 °F

  • Highest 9 September, 2026

    84.2 °F

Climate (2021–2026)

Mammoth Yosemite Airport (30.4 miles)

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  • Average Low 2021–2026

    29.4 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    60.5 °F
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