Mackinac Island Airport Weather Forecast

    • 62
    • 74

    Mostly Sunny

    • 64
    • 73

    Increasing Clouds

    • 65
    • 73

    Partly Sunny

    • 67
    • 78

    Partly Sunny

    • 68
    • 79

    Slight Chance Thunderstorms

    • 69
    • 80

    Partly Sunny

    • 69
    • 81

    Slight Chance Thunderstorms

Today 3 Aug Mackinac Island/Bois Blanc Island

Sunny. Haze and smoke through the day. Highs around 80. West Winds 10 to 15 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 3 Aug Mackinac Island/Bois Blanc Island

Mostly clear. Haze and patchy fog after midnight. Lows in the upper 50s. Northwest Winds up to 10 Mph early becoming light.

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Mackinac Island Airport Temperature Statistics

August Temperature

Mackinac Island Airport (0 miles)

  • Lowest 1 August, 2025

    53.6 °F

  • Average August

    63.6 °F

  • Highest 1 August, 2025

    69.8 °F

Climate (2020–Present)

Mackinac Island Airport (0 miles)

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  • Average Low 2020–2025

    38.3 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    51.1 °F
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