Lake Manganese Weather Forecast

    • 54
    • 68

    Chance Rain Showers

    • 48
    • 63

    Chance Rain Showers

    • 46
    • 56

    Slight Chance Rain Showers

    • 46
    • 57

    Chance Rain Showers

    • 42
    • 53

    Rain Showers Likely

    • 43
    • 51

    Chance Rain Showers

    • 43
    • 52

    Chance Rain Showers

Today 17 Oct Keweenaw

Mostly cloudy with a 20 percent chance of Showers. South Winds 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Oct Keweenaw

Partly cloudy with a slight chance of Showers this Evening, then clear after midnight. Lows in the lower 50s. Southwest Winds 5 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Manganese Temperature Statistics

October Temperature

Copper Harbor (0.6 miles)

  • Lowest 8 October, 2025

    39.9 °F

  • Average October

    57.4 °F

  • Highest 4 October, 2025

    82.9 °F

Climate (2020–Present)

Copper Harbor (0.6 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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