Old Mill Weather Forecast

    • 53
    • 77

    Mostly Sunny

    • 60
    • 77

    Partly Sunny

    • 65
    • 77

    Rain Showers

    • 55
    • 78

    Partly Sunny

    • 51
    • 69

    Mostly Sunny

    • 57
    • 75

    Slight Chance Thunderstorms

Today 6 Sep Cheboygan

Mostly sunny. Highs in the upper 70s. Northeast Winds up to 10 Mph.

Tonight 6 Sep Cheboygan

Mostly clear. Lows in the upper 40s. Light Winds.

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Old Mill Temperature Statistics

September Temperature

Mackinac Island Airport (8.7 miles)

  • Lowest 3 September, 2026

    59 °F

  • Average September

    66 °F

  • Highest 1 September, 2026

    78.8 °F

Climate (2021–2026)

Mackinac Island Airport (8.7 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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