Mackinac Island Weather Forecast

    • 60
    • 71

    Isolated Thunderstorms

    • 59
    • 71

    Partly Sunny

    • 56
    • 75

    Mostly Sunny

    • 55
    • 74

    Mostly Sunny

    • 64
    • 75

    Chance Rain Showers

    • 63
    • 80

    Rain Showers Likely

    • 57
    • 75

    Slight Chance Rain Showers

Today 30 Jun Mackinac Island/Bois Blanc Island

Partly sunny. Scattered rain Showers and isolated Thunderstorms Early, then isolated light Showers and Thunderstorms in the afternoon. Highs in the mid 70s. West Winds 5 to 10 Mph. Chance of precipitation 30 percent.

Tonight 30 Jun Mackinac Island/Bois Blanc Island

Partly cloudy. Isolated light Showers and Thunderstorms Early, then isolated rain Showers after midnight. Lows in the lower 60s. West Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Mackinac Island Temperature Statistics

June Temperature

Mackinac Island Airport (0 miles)

  • Lowest 1 June, 2025

    41 °F

  • Average June

    60.5 °F

  • Highest 23 June, 2025

    80.6 °F

Climate (2020–Present)

Mackinac Island Airport (0 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    51.1 °F
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