Lake Upson Weather Forecast

    • 9
    • 19

    Blustery

    • 7
    • 15

    Blustery

    • 11
    • 18

    Blustery

    • 11
    • 18

    Blustery

    • 14
    • 19

    Cloudy

    • 17
    • 24

    Chance Snow Showers

Today 30 Dec Keweenaw

Cloudy. A chance of snow Showers late this Morning, then snow Showers likely this afternoon. Snow accumulation around an inch. Near steady temperature around 14. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of snow 70 percent.

Tonight 30 Dec Keweenaw

Snow Showers likely in the Evening, then a chance of snow Showers after midnight. Cloudy. Snow accumulation around an inch. Lows 3 to 8 above. North Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of snow 70 percent.

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  • Temperature Forecast NOAA

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Lake Upson Temperature Statistics

December Temperature

Copper Harbor (7.5 miles)

  • Lowest 13 December, 2025

    6.1 °F

  • Average December

    23.4 °F

  • Highest 16 December, 2025

    46 °F

Climate (2020–Present)

Copper Harbor (7.5 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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