Isle Royale Weather Forecast

    • 1
    • 7

    Cold

    • 5
    • 9

    Cold

    • 4
    • 14

    Chance Snow Showers

    • 14
    • 19

    Chance Snow Showers

    • 21
    • 25

    Mostly Cloudy

    • 17
    • 31

    Chance Snow Showers

    • 21
    • 29

    Mostly Cloudy

Today 1 Jan Keweenaw

Breezy. Mostly cloudy with scattered snow Showers. Patchy blowing snow. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of snow 50 percent.

Tonight 1 Jan Keweenaw

Mostly cloudy. Scattered snow Showers this Evening, then isolated snow Showers after midnight. Patchy blowing snow. Breezy. Near steady temperature around 8 above. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of snow 50 percent. Wind chill Values as low as 20 below.

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Isle Royale Temperature Statistics

January Temperature

Copper Harbor (58.4 miles)

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Climate (2021–Present)

Copper Harbor (58.4 miles)

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  • Average Low 2021–2025

    38.6 °F

  • Average 2021–2025

    44.8 °F

  • Average High 2021–2025

    51.1 °F
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