Bois Blanc Island Weather Forecast

    • 64
    • 78

    Thunderstorms

    • 60
    • 74

    Thunderstorms

    • 53
    • 71

    Thunderstorms

    • 52
    • 63

    Rain Showers

    • 53
    • 70

    Mostly Sunny

    • 57
    • 70

    Partly Sunny

Today 22 Aug Mackinac Island/Bois Blanc Island

Partly sunny. Highs in the upper 70s. Southwest Winds 5 to 15 Mph.

Tonight 22 Aug Mackinac Island/Bois Blanc Island

Partly cloudy. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bois Blanc Island Temperature Statistics

August Temperature

Cheboygan, Cheboygan County Airport (8.1 miles)

  • Lowest 18 August, 2025

    50 °F

  • Average August

    70.1 °F

  • Highest 9 August, 2025

    92.1 °F

Climate (2020–Present)

Cheboygan, Cheboygan County Airport (8.1 miles)

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  • Average Low 2020–2025

    36.5 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    53.9 °F
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