Twin Island Lakes Weather Forecast

    • 36
    • 52

    Mostly Sunny

    • 35
    • 53

    Mostly Sunny

    • 33
    • 51

    Mostly Sunny

    • 31
    • 45

    Mostly Sunny

    • 32
    • 43

    Mostly Sunny

    • 25
    • 38

    Chance Snow

    • 30
    • 39

    Mostly Sunny

Today 31 Oct Upper San Joaquin River

Sunny. Highs 52 to 66. Northwest Winds up to 5 Mph shifting to the west in the afternoon.

Tonight 31 Oct Upper San Joaquin River

Mostly clear. Lows 35 to 47. Northeast Winds up to 5 Mph shifting to the south after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Twin Island Lakes Temperature Statistics

October Temperature

Mammoth Yosemite Airport (21.7 miles)

  • Lowest 12 October, 2025

    19.4 °F

  • Average October

    46.2 °F

  • Highest 19 October, 2025

    71.6 °F

Climate (2020–Present)

Mammoth Yosemite Airport (21.7 miles)

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

  • Average Low 2020–2025

    29.6 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    60.8 °F
Get WillyWeather+ to remove ads