Ireland Lake Weather Forecast

    • 40
    • 56

    Mostly Sunny

    • 41
    • 56

    Mostly Sunny

    • 42
    • 57

    Partly Sunny

    • 40
    • 53

    Chance Rain

    • 38
    • 48

    Rain Showers Likely

    • 36
    • 48

    Chance Rain

Today 15 Sep Yosemite NP outside of the valley

Sunny. Highs 62 to 74. Southeast Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 15 Sep Yosemite NP outside of the valley

Mostly clear. Lows 40 to 54. East Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ireland Lake Temperature Statistics

September Temperature

Mammoth Yosemite Airport (27.3 miles)

  • Lowest 7 September, 2025

    35.6 °F

  • Average September

    57.4 °F

  • Highest 1 September, 2025

    80.6 °F

Climate (2020–Present)

Mammoth Yosemite Airport (27.3 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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