Manitou Island Weather Forecast

    • 26
    • 30

    Blustery

    • 29
    • 33

    Breezy

    • 31
    • 37

    Rain/Snow

    • 32
    • 37

    Mostly Cloudy

    • 31
    • 37

    Partly Sunny

    • 28
    • 37

    Mostly Cloudy

Today 31 Mar Keweenaw

Sunny. Near steady temperature in the upper 20s. North Winds 5 to 15 Mph.

Tonight 31 Mar Keweenaw

Mostly clear. Lows 19 to 24. Northwest Winds 5 to 10 Mph, becoming northeast after midnight.

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Manitou Island Temperature Statistics

March Temperature

Copper Harbor (13 miles)

  • Lowest 8 March, 2025

    7.8 °F

  • Average March

    30.9 °F

  • Highest 10 March, 2025

    58.6 °F

Climate (2020–Present)

Copper Harbor (13 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    44.6 °F

  • Average High 2020–2025

    50.7 °F
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