Ershim Lake Weather Forecast

    • 33
    • 47

    Rain/Snow Likely

    • 37
    • 59

    Sunny

    • 41
    • 63

    Sunny

    • 42
    • 65

    Mostly Sunny

    • 41
    • 63

    Mostly Sunny

    • 41
    • 62

    Mostly Sunny

Today 28 Sep Kaiser to Rodgers Ridge

Sunny in the morning. Widespread frost early in the morning. Chance of rain Showers in the morning. Slight chance of Thunderstorms through the day. Rain Showers and snow Showers likely in the afternoon. Little or no snow accumulation. Highs 45 to 57. Southeast Winds up to 5 Mph shifting to the northwest in the afternoon. Chance of precipitation 70 percent.

Tonight 28 Sep Kaiser to Rodgers Ridge

Clear. Lows 31 to 43. Northeast Winds 10 to 15 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ershim Lake Temperature Statistics

September Temperature

Mammoth Yosemite Airport (30.4 miles)

  • Lowest 18 September, 2026

    28.4 °F

  • Average September

    58.2 °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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