Thousand Island Lake Weather Forecast

    • 9
    • 23

    Snow Showers Likely

    • 12
    • 25

    Slight Chance Snow

    • 18
    • 30

    Partly Sunny

    • 17
    • 30

    Mostly Cloudy

    • 14
    • 24

    Snow

    • 12
    • 19

    Blizzard

    • 7
    • 16

    Blizzard

Today 11 Feb Upper San Joaquin River

Snow Showers and slight chance of Thunderstorms in the Morning, then snow Showers likely and slight chance of Thunderstorms in the afternoon. Snow accumulation of 1 to 14 Inches. Total snow accumulation 1 to 27 Inches. Highs 23 to 37. South Winds 10 to 15 Mph with Gusts to around 40 Mph. Chance of precipitation 90 percent.

Tonight 11 Feb Upper San Joaquin River

Colder. Mostly cloudy with chance of snow in the Evening, then mostly clear after midnight. Mostly clear with slight chance of snow late in the night. Lows 8 to 22. South Winds up to 10 Mph with Gusts to around 25 Mph shifting to the east after midnight. Chance of snow 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Thousand Island Lake Temperature Statistics

February Temperature

Mammoth Yosemite Airport (19.3 miles)

  • Lowest 3 February, 2026

    8.6 °F

  • Average February

    29.2 °F

  • Highest 6 February, 2026

    46.4 °F

Climate (2021–Present)

Mammoth Yosemite Airport (19.3 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

    60.7 °F
Get WillyWeather+ to remove ads