Prentiss Bay Weather Forecast

    • 64
    • 77

    Areas Smoke

    • 68
    • 85

    Partly Sunny

    • 60
    • 80

    Chance Rain Showers

    • 57
    • 80

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

Today 26 Jul Eastern Mackinac

Partly sunny. Areas of smoke. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 26 Jul Eastern Mackinac

Partly cloudy. Areas of smoke early. Patchy fog after midnight. Lows in the lower 60s. Southwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prentiss Bay Temperature Statistics

July Temperature

Mackinac Island Airport (21.1 miles)

  • Lowest 18 July, 2025

    50 °F

  • Average July

    66.6 °F

  • Highest 5 July, 2025

    82.4 °F

Climate (2020–Present)

Mackinac Island Airport (21.1 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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