Copper Falls Lake Weather Forecast

    • 49
    • 78

    Mostly Sunny

    • 46
    • 71

    Partly Sunny

    • 46
    • 69

    Rain Showers Likely

    • 38
    • 55

    Chance Rain Showers

    • 34
    • 45

    Chance Rain Showers

    • 35
    • 45

    Mostly Cloudy

Today 13 May Keweenaw

Sunny. Highs 75 to 80 inland to around 66 at the shore. South Winds 5 to 10 Mph, becoming southeast 5 to 15 Mph in the afternoon.

Tonight 13 May Keweenaw

Clear in the Evening, then becoming partly cloudy. Lows 44 to 49. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph, becoming south after midnight.

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Copper Falls Lake Temperature Statistics

May Temperature

Copper Harbor (14.9 miles)

  • Lowest 8 May, 2025

    33.7 °F

  • Average May

    45.9 °F

  • Highest 9 May, 2025

    71.7 °F

Climate (2020–Present)

Copper Harbor (14.9 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    50.8 °F
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