Mammoth Pool Reservoir Weather Forecast

    • 60
    • 79

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 60
    • 76

    Chance Rain

    • 57
    • 71

    Chance Rain Showers

    • 57
    • 74

    Slight Chance Thunderstorms

    • 58
    • 76

    Mostly Sunny

Today 15 Sep San Joaquin River Canyon

Sunny. Highs 77 to 85. Northwest Winds up to 5 Mph shifting to the southwest 5 to 15 Mph in the afternoon.

Tonight 15 Sep San Joaquin River Canyon

Mostly clear. Lows 57 to 65. Northeast Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mammoth Pool Reservoir Temperature Statistics

September Temperature

Mammoth Yosemite Airport (31.7 miles)

  • Lowest 7 September, 2025

    35.6 °F

  • Average September

    57.4 °F

  • Highest 1 September, 2025

    80.6 °F

Climate (2020–Present)

Mammoth Yosemite Airport (31.7 miles)

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

  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    61 °F
Get WillyWeather+ to remove ads