Mackinac State Park Weather Forecast

    • 62
    • 71

    Sunny

    • 63
    • 78

    Mostly Sunny

    • 63
    • 77

    Rain Showers Likely

    • 64
    • 81

    Rain Showers Likely

    • 61
    • 81

    Chance Thunderstorms

    • 59
    • 77

    Mostly Sunny

Today 23 Jul Mackinac Island/Bois Blanc Island

Sunny. Highs in the mid 70s. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 23 Jul Mackinac Island/Bois Blanc Island

Clear. Lows around 60. Southwest Winds 5 to 15 Mph.

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Mackinac State Park Temperature Statistics

July Temperature

Mackinac Island Airport (0 miles)

  • Lowest 19 July, 2026

    53.6 °F

  • Average July

    69 °F

  • Highest 12 July, 2026

    82.4 °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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