Ershim Lake Weather Forecast

    • 44
    • 63

    Increasing Clouds

    • 41
    • 54

    Chance Rain Showers

    • 39
    • 50

    Rain Showers Likely

    • 38
    • 57

    Slight Chance Thunderstorms

    • 41
    • 57

    Mostly Sunny

    • 43
    • 61

    Slight Chance Thunderstorms

    • 39
    • 57

    Chance Rain Showers

Today 17 Sep Kaiser to Rodgers Ridge

Sunny until late afternoon then becoming partly sunny. Highs 63 to 75. Southeast Winds up to 10 Mph shifting to the west in the afternoon.

Tonight 17 Sep Kaiser to Rodgers Ridge

Mostly cloudy. A 20 percent chance of rain late in the night. Lows 43 to 55. North Winds up to 5 Mph shifting to the east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ershim Lake Temperature Statistics

September Temperature

Mammoth Yosemite Airport (30.4 miles)

  • Lowest 7 September, 2025

    35.6 °F

  • Average September

    57.5 °F

  • Highest 1 September, 2025

    80.6 °F

Climate (2020–Present)

Mammoth Yosemite Airport (30.4 miles)

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  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    61 °F
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