Lake Manganese Weather Forecast

    • 36
    • 52

    Decreasing Clouds

    • 36
    • 45

    Mostly Cloudy

    • 44
    • 49

    Chance Rain Showers

    • 44
    • 57

    Chance Rain Showers

    • 41
    • 50

    Mostly Cloudy

    • 43
    • 50

    Chance Rain Showers

Today 25 Oct Keweenaw

Partly cloudy. Cooler with Highs in the lower 50s. West Winds 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 25 Oct Keweenaw

Mostly cloudy. Lows around 35. Northwest Winds 5 to 15 Mph, becoming north after midnight.

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Lake Manganese Temperature Statistics

October Temperature

Copper Harbor (0.6 miles)

  • Lowest 20 October, 2026

    35.1 °F

  • Average October

    52.2 °F

  • Highest 11 October, 2026

    77 °F

Climate (2021–2026)

Copper Harbor (0.6 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    44.3 °F

  • Average High 2021–2026

    50.5 °F
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