Iron Lake Weather Forecast

    • 27
    • 31

    Mostly Sunny

    • 30
    • 40

    Mostly Sunny

    • 30
    • 41

    Mostly Sunny

    • 30
    • 42

    Mostly Sunny

    • 31
    • 43

    Mostly Sunny

    • 34
    • 45

    Partly Sunny

Today 4 Dec Upper San Joaquin River

Sunny. Highs 30 to 44. North Winds up to 10 Mph.

Tonight 4 Dec Upper San Joaquin River

Mostly clear. Near steady temperature around 30. North Winds 5 to 10 Mph with Gusts to around 25 Mph.

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Iron Lake Temperature Statistics

December Temperature

Mammoth Yosemite Airport (17.4 miles)

  • Lowest 1 December, 2025

    14 °F

  • Average December

    29.6 °F

  • Highest 1 December, 2025

    46.4 °F

Climate (2020–Present)

Mammoth Yosemite Airport (17.4 miles)

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  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    60.8 °F
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