Mammoth Lakes Weather Forecast

    • 47
    • 70

    Mostly Sunny

    • 43
    • 65

    Mostly Sunny

    • 41
    • 64

    Mostly Sunny

Today 24 Sep Mono

Sunny. Patchy smoke in the morning. Highs 71 to 81. Light Winds becoming southwest around 10 Mph in the afternoon.

Tonight 24 Sep Mono

Clear. Haze in the evening. Areas of smoke through the night. Lows 38 to 48. Southwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mammoth Lakes Temperature Statistics

September Temperature

Mammoth Yosemite Airport (6.8 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 (6.8 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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