Happy Isles Weather Forecast

    • 41
    • 60

    Increasing Clouds

    • 43
    • 64

    Partly Sunny

    • 41
    • 64

    Partly Sunny

    • 37
    • 60

    Partly Sunny

    • 38
    • 58

    Mostly Sunny

    • 40
    • 61

    Sunny

Today 29 Jan Yosemite Valley

Sunny. Highs 55 to 61. East Winds up to 5 Mph shifting to the south in the afternoon.

Tonight 29 Jan Yosemite Valley

Partly cloudy. Lows 40 to 48. Northeast Winds up to 5 Mph.

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Happy Isles Temperature Statistics

January Temperature

Mammoth Yosemite Airport (39.8 miles)

  • Lowest 10 January, 2026

    -2.2 °F

  • Average January

    22.3 °F

  • Highest 22 January, 2026

    41 °F

Climate (2021–Present)

Mammoth Yosemite Airport (39.8 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    60.6 °F
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