Isle Royale Weather Forecast

    • 41
    • 50

    Increasing Clouds

    • 39
    • 51

    Slight Chance Rain Showers

    • 35
    • 48

    Partly Sunny

    • 32
    • 46

    Rain Showers Likely

    • 26
    • 41

    Slight Chance Rain Showers

    • 27
    • 38

    Chance Rain/Snow

Today 3 Nov Keweenaw

Sunny, breezy with Highs around 50. West Winds 15 to 25 Mph with Gusts up to 45 Mph.

Tonight 3 Nov Keweenaw

Clear. Lows 38 to 43. West Winds 10 to 20 Mph with Gusts up to 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Royale Temperature Statistics

November Temperature

Copper Harbor (58.4 miles)

  • Lowest 1 November, 2025

    32 °F

  • Average November

    38.9 °F

  • Highest 1 November, 2025

    42.1 °F

Climate (2020–Present)

Copper Harbor (58.4 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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