Three Island Lake Weather Forecast

    • 17
    • 27

    Chance Snow

    • 22
    • 32

    Mostly Sunny

    • 26
    • 42

    Mostly Sunny

    • 28
    • 43

    Breezy

    • 29
    • 47

    Mostly Sunny

    • 29
    • 45

    Mostly Sunny

Today 12 Oct Upper San Joaquin River

Mostly sunny. Highs 31 to 45. Southwest Winds up to 10 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 12 Oct Upper San Joaquin River

Mostly cloudy with chance of snow in the Evening, then mostly clear after midnight. Lows 19 to 31. Northwest Winds up to 10 Mph. Chance of snow 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Island Lake Temperature Statistics

October Temperature

Mammoth Yosemite Airport (23 miles)

  • Lowest 1 October, 2026

    32 °F

  • Average October

    60 °F

  • Highest 1 October, 2026

    78.8 °F

Climate (2021–2026)

Mammoth Yosemite Airport (23 miles)

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

  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    60.6 °F
Get WillyWeather+ to remove ads