Mackinac Island Weather Forecast

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    • 26

    Snow Likely

    • 22
    • 30

    Snow Likely

    • 18
    • 28

    Chance Snow

    • 19
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    Chance Snow Showers

    • 14
    • 25

    Snow Showers Likely

    • 12
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    Chance Snow Showers

Today 8 Dec Mackinac Island/Bois Blanc Island

Partly sunny. Highs in the upper 20s. West Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 8 Dec Mackinac Island/Bois Blanc Island

Mostly cloudy. Light snow Showers likely after midnight. Patchy blowing snow after midnight. Total nighttime snow accumulation up to 1 inch. Lows in the mid 20s. South Winds 10 to 20 Mph with Gusts to around 35 Mph. Chance of snow 70 percent.

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Mackinac Island Temperature Statistics

December Temperature

Mackinac Island Airport (0 miles)

  • Lowest 4 December, 2025

    12.2 °F

  • Average December

    23.5 °F

  • Highest 3 December, 2025

    32 °F

Climate (2020–Present)

Mackinac Island Airport (0 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    45 °F

  • Average High 2020–2025

    51.3 °F
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