Mackinac Island Airport Weather Forecast

    • 34
    • 47

    Mostly Sunny

    • 38
    • 49

    Rain

    • 39
    • 48

    Mostly Cloudy

    • 40
    • 54

    Partly Sunny

    • 42
    • 55

    Chance Rain Showers

    • 40
    • 55

    Chance Rain Showers

Today 11 May Mackinac Island/Bois Blanc Island

Mostly sunny. Highs in the upper 40s. Northwest Winds 5 to 15 Mph.

Tonight 11 May Mackinac Island/Bois Blanc Island

Clear. Areas of frost after midnight. Lows in the mid 30s. Northwest Winds up to 10 Mph shifting to the south after midnight.

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Mackinac Island Airport Temperature Statistics

May Temperature

Mackinac Island Airport (0 miles)

  • Lowest 7 May, 2026

    28.4 °F

  • Average May

    41 °F

  • Highest 4 May, 2026

    68 °F

Climate (2021–Present)

Mackinac Island Airport (0 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    50.9 °F
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