Long Lake Weather Forecast

    • 19
    • 23

    Blustery

    • 20
    • 27

    Cloudy

    • 6
    • 27

    Blustery

    • 5
    • 14

    Blustery

    • 11
    • 18

    Chance Snow Showers

    • 12
    • 24

    Slight Chance Snow Showers

Today 10 Dec Keweenaw

Breezy. Heavy freezing spray with patchy blowing snow in the morning. Mostly cloudy with a 20 percent chance of snow Showers. Highs 19 to 24. North Winds 15 to 25 Mph, becoming northwest 10 to 20 Mph in the afternoon.

Tonight 10 Dec Keweenaw

Cloudy with a 20 percent chance of snow Showers. Lows 15 to 20. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

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Long Lake Temperature Statistics

December Temperature

Copper Harbor (14.3 miles)

  • Lowest 4 December, 2025

    10.9 °F

  • Average December

    18.4 °F

  • Highest 3 December, 2025

    28 °F

Climate (2020–Present)

Copper Harbor (14.3 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    44.9 °F

  • Average High 2020–2025

    51.1 °F
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