Mackinac Island Airport Weather Forecast

    • 58
    • 76

    Decreasing Clouds

    • 62
    • 75

    Partly Sunny

    • 63
    • 73

    Rain Showers Likely

    • 59
    • 74

    Partly Sunny

    • 60
    • 75

    Partly Sunny

    • 62
    • 75

    Chance Rain Showers

Today 13 Aug Mackinac Island/Bois Blanc Island

Partly sunny. Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 13 Aug Mackinac Island/Bois Blanc Island

Mostly clear. Lows in the upper 50s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mackinac Island Airport Temperature Statistics

August Temperature

Mackinac Island Airport (0 miles)

  • Lowest 3 August, 2026

    55.4 °F

  • Average August

    68.1 °F

  • Highest 4 August, 2026

    80.6 °F

Climate (2021–2026)

Mackinac Island Airport (0 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    50.9 °F
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