Helen Lake Weather Forecast

    • 37
    • 52

    Mostly Sunny

    • 38
    • 51

    Partly Sunny

    • 28
    • 42

    Breezy

    • 30
    • 39

    Slight Chance Snow

    • 30
    • 41

    Mostly Sunny

    • 29
    • 42

    Mostly Sunny

Today 11 May Yosemite NP outside of the valley

Sunny. Highs 63 to 79. South Winds up to 10 Mph shifting to the southwest in the afternoon. Gusts up to 30 Mph.

Tonight 11 May Yosemite NP outside of the valley

Mostly clear. Lows 38 to 56. South Winds up to 10 Mph with Gusts to around 30 Mph shifting to the east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helen Lake Temperature Statistics

May Temperature

Mammoth Yosemite Airport (25.5 miles)

  • Lowest 1 May, 2026

    30.2 °F

  • Average May

    49.6 °F

  • Highest 8 May, 2026

    73.4 °F

Climate (2021–Present)

Mammoth Yosemite Airport (25.5 miles)

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  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    60.7 °F
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