Mammoth Mountain Ski Area Weather Forecast

    • 38
    • 54

    Sunny

    • 42
    • 59

    Sunny

    • 45
    • 64

    Mostly Sunny

    • 47
    • 63

    Partly Sunny

    • 46
    • 61

    Partly Sunny

    • 45
    • 63

    Mostly Sunny

Today 17 Sep Mono

Sunny. Patchy smoke. Highs 65 to 75. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon. Ridge Gusts up to 50 Mph in the morning.

Tonight 17 Sep Mono

Clear. Smoke in the evening. Patchy smoke after midnight. Lows 27 to 37. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph in the evening becoming light.

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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 15 September, 2026

    32 °F

  • Average September

    60.2 °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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