Happy Isles Weather Forecast

    • 43
    • 67

    Becoming Sunny

    • 45
    • 70

    Increasing Clouds

    • 48
    • 73

    Partly Sunny

    • 49
    • 73

    Slight Chance Thunderstorms

    • 41
    • 68

    Chance Rain

    • 39
    • 57

    Rain Showers Likely

    • 42
    • 58

    Chance Rain

Today 29 Apr Yosemite Valley

Warmer, sunny. Highs 57 to 69. Southeast Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 29 Apr Yosemite Valley

Mostly clear. Lows 41 to 49. Northeast Winds up to 10 Mph.

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Happy Isles Temperature Statistics

April Temperature

Mammoth Yosemite Airport (39.8 miles)

  • Lowest 4 April, 2026

    14 °F

  • Average April

    43.6 °F

  • Highest 7 April, 2026

    68 °F

Climate (2021–Present)

Mammoth Yosemite Airport (39.8 miles)

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  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    60.8 °F
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