Thousand Island Lake Weather Forecast

    • 37
    • 58

    Breezy

    • 45
    • 64

    Sunny

    • 44
    • 68

    Sunny

    • 40
    • 62

    Sunny

    • 37
    • 58

    Sunny

    • 28
    • 49

    Breezy

    • 34
    • 53

    Sunny

Today 16 Jun Upper San Joaquin River

Sunny. Highs 57 to 73. Southwest Winds 5 to 20 Mph with Gusts to around 45 Mph.

Tonight 16 Jun Upper San Joaquin River

Clear. Lows 37 to 49. Southwest Winds up to 15 Mph. Gusts up to 45 Mph in the evening.

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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

    46.5 °F

  • Average High 2020–2025

    61.3 °F
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