Sumner Lake Weather Forecast

    • 49
    • 52

    Rain Showers

    • 49
    • 53

    Rain Showers

    • 42
    • 50

    Rain Showers

    • 36
    • 44

    Slight Chance Rain Showers

    • 38
    • 41

    Mostly Cloudy

    • 40
    • 43

    Mostly Cloudy

Today 2 Nov Keweenaw

Showers in the afternoon. Cloudy. Highs 55 to 60. Southeast Winds 5 to 15 Mph. Chance of rain 90 percent.

Tonight 2 Nov Keweenaw

Showers in the Evening, then a chance of Showers after midnight. Lows 50 to 55. Southeast Winds 10 to 15 Mph, becoming south 5 to 10 Mph after midnight. Chance of rain 100 percent.

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Sumner Lake Temperature Statistics

November Temperature

Copper Harbor (53.4 miles)

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  • Average November

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Climate (2021–2026)

Copper Harbor (53.4 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    44.3 °F

  • Average High 2021–2026

    50.5 °F
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