McDonald Lake Weather Forecast

    • 42
    • 55

    Sunny

    • 46
    • 51

    Partly Sunny

    • 48
    • 55

    Partly Sunny

    • 52
    • 58

    Rain Showers Likely

    • 52
    • 61

    Chance Rain Showers

    • 46
    • 57

    Chance Rain Showers

Today 13 Oct Keweenaw

Sunny. West Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 13 Oct Keweenaw

Clear. Lows in the lower 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McDonald Lake Temperature Statistics

October Temperature

Copper Harbor (58.4 miles)

  • Lowest 8 October, 2025

    39.9 °F

  • Average October

    59.1 °F

  • Highest 4 October, 2025

    82.9 °F

Climate (2020–Present)

Copper Harbor (58.4 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    51 °F
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