McGinn Lake Weather Forecast

    • 67
    • 81

    Chance Thunderstorms

    • 59
    • 81

    Rain Showers Likely

    • 59
    • 75

    Chance Rain Showers

    • 59
    • 71

    Rain Showers Likely

    • 57
    • 74

    Partly Sunny

    • 57
    • 79

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

Today 15 Aug Southern Schoolcraft

Sunny. South Winds 10 to 15 Mph.

Tonight 15 Aug Southern Schoolcraft

Partly cloudy with a slight chance of Showers this Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Warm with Lows in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight. Chance of rain 50 percent.

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McGinn Lake Temperature Statistics

August Temperature

Manistique, Schoolcraft County Airport (14.3 miles)

  • Lowest 1 August, 2025

    45.9 °F

  • Average August

    69.1 °F

  • Highest 3 August, 2025

    81.9 °F

Climate (2020–Present)

Manistique, Schoolcraft County Airport (14.3 miles)

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  • Average Low 2020–2025

    35.2 °F

  • Average 2020–2025

    43.8 °F

  • Average High 2020–2025

    51.6 °F
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