Mammoth Lakes Weather Forecast

    • 37
    • 57

    Partly Sunny

    • 35
    • 51

    Slight Chance Rain

    • 34
    • 56

    Partly Sunny

    • 35
    • 54

    Chance Rain

    • 33
    • 49

    Chance Rain/Snow

    • 33
    • 46

    Chance Rain/Snow

Today 16 Dec Mono

Partly cloudy. Highs 54 to 64. West Winds 10 to 15 Mph.

Tonight 16 Dec Mono

Partly cloudy. Chance of rain after midnight. Lows 30 to 40. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight. Ridge Gusts up to 55 Mph increasing to 75 Mph after midnight.

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Mammoth Lakes Temperature Statistics

December Temperature

Mammoth Yosemite Airport (6.8 miles)

  • Lowest 4 December, 2025

    10.4 °F

  • Average December

    35.3 °F

  • Highest 11 December, 2025

    66.2 °F

Climate (2020–Present)

Mammoth Yosemite Airport (6.8 miles)

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  • Average Low 2020–2025

    29.6 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    60.8 °F
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