Mackinac Island Airport Weather Forecast

    • 25
    • 36

    Mostly Cloudy

    • 32
    • 36

    Rain/Snow Likely

    • 15
    • 35

    Mostly Cloudy

    • 23
    • 30

    Partly Sunny

    • 17
    • 36

    Slight Chance Snow Showers

    • 19
    • 27

    Rain/Snow Likely

    • 18
    • 36

    Rain/Snow Likely

Today 20 Mar Mackinac Island/Bois Blanc Island

Mostly cloudy. Slight chance of rain Showers and snow Showers Early, then patchy drizzle and light freezing drizzle in the afternoon. Patchy fog in the afternoon. Highs in the upper 30s. North Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Tonight 20 Mar Mackinac Island/Bois Blanc Island

Mostly cloudy. Lows in the mid 20s. Northwest Winds 5 to 10 Mph.

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Mackinac Island Airport Temperature Statistics

March Temperature

Mackinac Island Airport (0 miles)

  • Lowest 1 March, 2026

    5 °F

  • Average March

    27.8 °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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