Lower Cathedral Lake Weather Forecast

    • 29
    • 60

    Mostly Sunny

    • 31
    • 61

    Mostly Sunny

    • 35
    • 64

    Mostly Sunny

    • 35
    • 66

    Mostly Sunny

    • 35
    • 65

    Mostly Sunny

Today 13 Sep Yosemite NP outside of the valley

Warmer, sunny. Highs 56 to 70. Southeast Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 13 Sep Yosemite NP outside of the valley

Mostly clear. Lows 35 to 49. Southeast Winds up to 5 Mph.

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Lower Cathedral Lake Temperature Statistics

September Temperature

Mammoth Yosemite Airport (34.8 miles)

  • Lowest 7 September, 2025

    35.6 °F

  • Average September

    58.1 °F

  • Highest 1 September, 2025

    80.6 °F

Climate (2020–Present)

Mammoth Yosemite Airport (34.8 miles)

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  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    61 °F
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