Ireland Lake Weather Forecast

    • 33
    • 48

    Breezy

    • 30
    • 46

    Breezy

    • 34
    • 51

    Mostly Sunny

    • 41
    • 52

    Chance Rain

    • 43
    • 52

    Chance Rain Showers

    • 42
    • 55

    Chance Rain Showers

    • 38
    • 52

    Slight Chance Thunderstorms

Today 5 Sep Yosemite NP outside of the valley

Warmer, sunny. Highs 53 to 67. South Winds 5 to 15 Mph with Gusts to around 35 Mph.

Tonight 5 Sep Yosemite NP outside of the valley

Mostly clear. Lows 34 to 46. South Winds 5 to 15 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ireland Lake Temperature Statistics

September Temperature

Mammoth Yosemite Airport (27.3 miles)

  • Lowest 3 September, 2026

    35.6 °F

  • Average September

    56.5 °F

  • Highest 1 September, 2026

    71.6 °F

Climate (2021–2026)

Mammoth Yosemite Airport (27.3 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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