Isle Royale National Park Weather Forecast

    • 36
    • 45

    Rain Showers

    • 35
    • 41

    Chance Rain Showers

    • 32
    • 40

    Mostly Cloudy

    • 32
    • 41

    Partly Sunny

    • 33
    • 43

    Partly Sunny

    • 32
    • 44

    Partly Sunny

Today 12 Apr Keweenaw

Areas of fog in the morning. A chance of rain Showers in the Morning, then rain Showers in the afternoon. Cloudy. Highs 45 to 50. Inland, east Winds 10 to 20 Mph. Near the Shore, southeast Winds 5 to 10 Mph becoming east in the afternoon. Chance of rain 90 percent.

Tonight 12 Apr Keweenaw

Cloudy with rain Showers. Patchy fog. Lows around 36. West Winds 5 to 10 Mph becoming southwest overnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Royale National Park Temperature Statistics

April Temperature

Copper Harbor (60.3 miles)

  • Lowest 1 April, 2021

    24.1 °F

  • Average April

    42.8 °F

  • Highest 5 April, 2021

    60.1 °F

Climate (2010–Present)

Copper Harbor (60.3 miles)

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  • Average Low 2010–Present

    35.3 °F

  • Average 2010–Present

    41 °F

  • Average High 2010–Present

    46.8 °F
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