Mackinac Island Airport Weather Forecast

    • 53
    • 67

    Mostly Sunny

    • 51
    • 68

    Mostly Sunny

    • 58
    • 66

    Chance Rain Showers

    • 57
    • 67

    Chance Rain Showers

    • 49
    • 65

    Slight Chance Rain Showers

    • 47
    • 61

    Partly Sunny

Today 27 Sep Mackinac Island/Bois Blanc Island

Mostly sunny. Highs in the upper 60s. Light Winds.

Tonight 27 Sep Mackinac Island/Bois Blanc Island

Mostly clear. Lows in the lower 50s. Light Winds.

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  • Temperature Real-Time

Mackinac Island Airport Temperature Statistics

September Temperature

Mackinac Island Airport (0 miles)

  • Lowest 21 September, 2026

    44.6 °F

  • Average September

    61 °F

  • Highest 1 September, 2026

    78.8 °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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