Mammoth Mountain Ski Area Weather Forecast

    • 49
    • 66

    Mostly Sunny

    • 46
    • 64

    Breezy

    • 44
    • 61

    Mostly Sunny

    • 43
    • 63

    Mostly Sunny

    • 44
    • 62

    Mostly Sunny

    • 45
    • 62

    Mostly Sunny

Today 11 Sep Mono

Sunny. Highs 74 to 84. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 11 Sep Mono

Clear. Lows 39 to 49. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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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 5 September, 2026

    33.8 °F

  • Average September

    58.6 °F

  • Highest 9 September, 2026

    84.2 °F

Climate (2021–2026)

Mammoth Yosemite Airport (10.6 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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