Helen Lake Weather Forecast

    • 45
    • 62

    Sunny

    • 47
    • 66

    Mostly Sunny

    • 47
    • 66

    Mostly Sunny

    • 46
    • 65

    Sunny

    • 46
    • 65

    Sunny

    • 47
    • 65

    Sunny

    • 46
    • 64

    Sunny

Today 30 Jul Yosemite NP outside of the valley

Sunny. Highs 69 to 83. South Winds up to 10 Mph shifting to the west in the afternoon.

Tonight 30 Jul Yosemite NP outside of the valley

Clear. Lows 46 to 58. West Winds up to 10 Mph shifting to the east after midnight.

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  • Temperature Real-Time

Helen Lake Temperature Statistics

July Temperature

Mammoth Yosemite Airport (25.5 miles)

  • Lowest 4 July, 2026

    39.2 °F

  • Average July

    67.9 °F

  • Highest 23 July, 2026

    89.6 °F

Climate (2021–2026)

Mammoth Yosemite Airport (25.5 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    60.6 °F
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