Mackinac Island Weather Forecast

    • 51
    • 68

    Partly Sunny

    • 52
    • 69

    Mostly Sunny

    • 54
    • 70

    Partly Sunny

    • 54
    • 62

    Chance Rain Showers

    • 54
    • 67

    Slight Chance Thunderstorms

    • 54
    • 68

    Partly Sunny

Today 21 Jun Mackinac Island/Bois Blanc Island

Mostly sunny. Highs around 70. West Winds up to 10 Mph.

Tonight 21 Jun Mackinac Island/Bois Blanc Island

Mostly clear. Lows in the lower 50s. North Winds up to 10 Mph.

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Mackinac Island Temperature Statistics

June Temperature

Mackinac Island Airport (0 miles)

  • Lowest 1 June, 2026

    46.4 °F

  • Average June

    59.8 °F

  • Highest 11 June, 2026

    77 °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

    50.8 °F
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