Upson Lake Nature Sanctuary Weather Forecast

    • 23
    • 31

    Snow

    • 18
    • 26

    Chance Snow Showers

    • 11
    • 22

    Blustery

    • 11
    • 17

    Mostly Cloudy

    • 19
    • 27

    Chance Snow Showers

    • 14
    • 25

    Chance Snow Showers

Today 20 Feb Keweenaw

Snow. Patchy blowing snow. Snow may be heavy at Times in the afternoon. Snow accumulation of 4 to 6 Inches. Highs 28 to 33. Northeast Winds 10 to 20 Mph, becoming north 10 to 15 Mph in the afternoon. Chance of snow 100 percent.

Tonight 20 Feb Keweenaw

Snow likely in the Evening, then a chance of snow after midnight. Cloudy. Snow accumulation of 1 to 3 Inches. Lows 18 to 23. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 70 percent.

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Upson Lake Nature Sanctuary Temperature Statistics

February Temperature

Copper Harbor (8.1 miles)

  • Lowest 7 February, 2026

    3 °F

  • Average February

    24 °F

  • Highest 14 February, 2026

    42.1 °F

Climate (2021–Present)

Copper Harbor (8.1 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    51 °F
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