South Manitou Island Weather Forecast

    • 70
    • 75

    Decreasing Clouds

    • 66
    • 75

    Thunderstorms

    • 61
    • 72

    Mostly Sunny

    • 66
    • 72

    Mostly Sunny

    • 69
    • 77

    Chance Rain Showers

    • 66
    • 76

    Chance Rain Showers

Today 11 Aug Leelanau

Partly sunny. Scattered light Showers and Thunderstorms Early, then isolated light Showers and Thunderstorms in the afternoon. Highs around 80. Southwest Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 11 Aug Leelanau

Partly cloudy. Lows around 70. Southwest Winds up to 10 Mph.

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South Manitou Island Temperature Statistics

August Temperature

Frankfort, Frankfort Dow Memorial Field Airport (27.3 miles)

  • Lowest 2 August, 2025

    50 °F

  • Average August

    69.8 °F

  • Highest 8 August, 2025

    87.4 °F

Climate (2020–Present)

Frankfort, Frankfort Dow Memorial Field Airport (27.3 miles)

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  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    55.6 °F
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