Old Mill Weather Forecast

    • 55
    • 72

    Areas Smoke

    • 56
    • 78

    Sunny

    • 61
    • 81

    Sunny

    • 60
    • 82

    Partly Sunny

    • 61
    • 81

    Partly Sunny

    • 62
    • 82

    Slight Chance Thunderstorms

Today 31 Jul Cheboygan

Sunny. Highs in the lower 70s. Northeast Winds 5 to 10 Mph.

Tonight 31 Jul Cheboygan

Clear. Lows in the upper 40s. North Winds up to 10 Mph.

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Old Mill Temperature Statistics

July Temperature

Mackinac Island Airport (8.7 miles)

  • Lowest 18 July, 2025

    50 °F

  • Average July

    67.5 °F

  • Highest 27 July, 2025

    84.2 °F

Climate (2020–Present)

Mackinac Island Airport (8.7 miles)

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  • Average Low 2020–2025

    38.3 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    51.1 °F
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