Happy Isles Weather Forecast

    • 57
    • 88

    Sunny

    • 58
    • 88

    Sunny

    • 62
    • 92

    Sunny

    • 62
    • 94

    Sunny

    • 62
    • 93

    Sunny

    • 64
    • 95

    Sunny

Today 8 Jul Yosemite Valley

Sunny. Highs 77 to 91. Southwest Winds up to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 8 Jul Yosemite Valley

Clear. Lows 56 to 64. Southwest Winds 5 to 10 Mph shifting to the east after midnight.

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Happy Isles Temperature Statistics

July Temperature

Mammoth Yosemite Airport (39.8 miles)

  • Lowest 3 July, 2025

    37.4 °F
  • Average July

    62.5 °F
  • Highest 1 July, 2025

    80.6 °F

Climate (2020–Present)

Mammoth Yosemite Airport (39.8 miles)

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  • Average Low 2020–2025

    29.8 °F
  • Average 2020–2025

    46.4 °F
  • Average High 2020–2025

    61.2 °F
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