Mackinac Island Weather Forecast

    • 26
    • 35

    Wintry Mix

    • 27
    • 35

    Rain/Snow

    • 29
    • 36

    Rain/Snow Likely

    • 17
    • 33

    Chance Snow

    • 15
    • 30

    Partly Sunny

    • 19
    • 35

    Slight Chance Snow Showers

    • 23
    • 31

    Rain/Snow Likely

Today 19 Mar Mackinac Island/Bois Blanc Island

Partly sunny. Highs in the upper 30s. Northwest Winds up to 10 Mph.

Tonight 19 Mar Mackinac Island/Bois Blanc Island

Mostly cloudy. Chance of snow Early, then light Snow, rain and freezing rain after midnight. Patchy fog after midnight. Total nighttime snow accumulation up to 1 inch. Lows in the mid 20s. Southeast Winds up to 10 Mph.

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Mackinac Island Temperature Statistics

March Temperature

Mackinac Island Airport (0 miles)

  • Lowest 1 March, 2026

    5 °F

  • Average March

    28.4 °F

  • Highest 9 March, 2026

    50 °F

Climate (2021–Present)

Mackinac Island Airport (0 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    51 °F
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