Mammoth Mountain Ski Area Weather Forecast

    • 43
    • 57

    Sunny

    • 41
    • 55

    Sunny

    • 44
    • 62

    Mostly Sunny

    • 48
    • 62

    Chance Rain Showers

    • 51
    • 60

    Chance Rain Showers

    • 47
    • 60

    Chance Rain Showers

Today 5 Sep Mono

Sunny. Highs 68 to 78. Light Winds becoming south 10 to 15 Mph with Gusts up to 35 Mph in the afternoon.

Tonight 5 Sep Mono

Clear. Lows 35 to 45. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mammoth Mountain Ski Area Temperature Statistics

September Temperature

Mammoth Yosemite Airport (10.6 miles)

  • Lowest 2 September, 2026

    42.8 °F

  • Average September

    56.5 °F

  • Highest 1 September, 2026

    71.6 °F

Climate (2021–2026)

Mammoth Yosemite Airport (10.6 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    60.6 °F
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