Thousand Island Lake Weather Forecast

    • 41
    • 61

    Sunny

    • 37
    • 57

    Mostly Sunny

    • 43
    • 64

    Sunny

    • 44
    • 67

    Sunny

    • 42
    • 62

    Sunny

    • 37
    • 58

    Sunny

Today 15 Jun Upper San Joaquin River

Sunny. Highs 60 to 76. Southwest Winds 5 to 15 Mph. Gusts up to 30 Mph increasing to 40 Mph in the afternoon.

Tonight 15 Jun Upper San Joaquin River

Mostly clear. Lows 40 to 52. Southwest Winds up to 15 Mph. Gusts up to 35 Mph decreasing to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thousand Island Lake Temperature Statistics

June Temperature

Mammoth Yosemite Airport (19.3 miles)

  • Lowest 5 June, 2025

    37.4 °F

  • Average June

    62.4 °F

  • Highest 10 June, 2025

    84.2 °F

Climate (2020–Present)

Mammoth Yosemite Airport (19.3 miles)

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  • Average Low 2020–2025

    29.9 °F

  • Average 2020–2025

    46.4 °F

  • Average High 2020–2025

    61.3 °F
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