Long Lake Weather Forecast

    • 41
    • 53

    Mostly Sunny

    • 40
    • 54

    Mostly Sunny

    • 34
    • 56

    Partly Sunny

    • 34
    • 43

    Mostly Sunny

    • 36
    • 48

    Mostly Sunny

    • 40
    • 58

    Partly Sunny

Today 4 May Keweenaw

Sunny. Highs 50 to 55. East Winds 5 to 10 Mph.

Tonight 4 May Keweenaw

Clear. Lows 35 to 40. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Lake Temperature Statistics

May Temperature

Copper Harbor (14.3 miles)

  • Lowest 1 May, 2025

    37.9 °F

  • Average May

    44 °F

  • Highest 1 May, 2025

    50 °F

Climate (2020–Present)

Copper Harbor (14.3 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    50.7 °F
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