Mammoth Mountain Ski Area Weather Forecast

    • 50
    • 72

    Slight Chance Thunderstorms

    • 46
    • 67

    Mostly Sunny

    • 46
    • 66

    Sunny

    • 49
    • 69

    Sunny

    • 51
    • 71

    Sunny

    • 56
    • 74

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

Today 15 Aug Mono

Sunny in the Morning, then partly cloudy with a slight chance of Showers and Thunderstorms in the afternoon. Highs 77 to 87. Light Winds becoming south around 10 Mph in the afternoon.

Tonight 15 Aug Mono

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then clear after midnight. Lows 39 to 49. West Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mammoth Mountain Ski Area Temperature Statistics

August Temperature

Mammoth Yosemite Airport (10.6 miles)

  • Lowest 5 August, 2025

    39.2 °F

  • Average August

    67.7 °F

  • Highest 10 August, 2025

    87.8 °F

Climate (2020–Present)

Mammoth Yosemite Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    46.3 °F

  • Average High 2020–2025

    61.2 °F
Get WillyWeather+ to remove ads