Sumner Lake Weather Forecast

    • 3
    • 16

    Mostly Cloudy

    • 7
    • 12

    Mostly Cloudy

    • 17
    • 23

    Snow Likely

    • 8
    • 23

    Slight Chance Snow Showers

    • 11
    • 18

    Mostly Cloudy

    • 10
    • 22

    Mostly Cloudy

Today 3 Feb Keweenaw

Cloudy, Colder. Near steady temperature around 16. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 3 Feb Keweenaw

Mostly cloudy with scattered snow Showers. Patchy blowing snow. Lows zero to 5 above inland to around 8 above at the shore. Northwest Winds 10 to 20 Mph, becoming north 15 to 20 Mph after midnight. Chance of snow 50 percent.

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Sumner Lake Temperature Statistics

February Temperature

Copper Harbor (53.4 miles)

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  • Average February

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Climate (2020–Present)

Copper Harbor (53.4 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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