Ireland Lake Weather Forecast

    • 40
    • 57

    Sunny

    • 41
    • 59

    Mostly Sunny

    • 42
    • 57

    Partly Sunny

    • 40
    • 57

    Mostly Sunny

    • 39
    • 53

    Mostly Sunny

    • 37
    • 52

    Mostly Sunny

Today 30 Sep Yosemite NP outside of the valley

Warmer, sunny. Highs 63 to 77. East Winds up to 10 Mph shifting to the west in the afternoon.

Tonight 30 Sep Yosemite NP outside of the valley

Clear. Lows 41 to 55. East Winds up to 10 Mph.

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Ireland Lake Temperature Statistics

September Temperature

Mammoth Yosemite Airport (27.3 miles)

  • Lowest 18 September, 2026

    28.4 °F

  • Average September

    57.7 °F

  • Highest 9 September, 2026

    84.2 °F

Climate (2021–2026)

Mammoth Yosemite Airport (27.3 miles)

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  • Average Low 2021–2026

    29.4 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    60.5 °F
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