Isle Royale Weather Forecast

    • -5
    • 17

    Mostly Cloudy

    • 2
    • 10

    Snow Showers

    • 11
    • 23

    Snow Showers

    • 6
    • 19

    Mostly Cloudy

    • 20
    • 26

    Mostly Cloudy

    • 12
    • 35

    Mostly Cloudy

Today 22 Feb Keweenaw

Cloudy with a 50 percent chance of snow Showers. Patchy blowing snow. Breezy with Highs around 20. Temperature falling into the middle teens this afternoon. North Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 22 Feb Keweenaw

Breezy. A chance of snow Showers in the Evening, then a slight chance of snow Showers after midnight. Patchy blowing snow. Mostly cloudy. Lows around 6 below inland to around 7 above at the shore. North Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of snow 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Royale Temperature Statistics

February Temperature

Copper Harbor (58.4 miles)

  • Lowest 7 February, 2026

    3 °F

  • Average February

    24.8 °F

  • Highest 14 February, 2026

    42.1 °F

Climate (2021–Present)

Copper Harbor (58.4 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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