Island Slough Weather Forecast

    • 41
    • 76

    Becoming Sunny

    • 49
    • 70

    Mostly Cloudy

    • 47
    • 73

    Partly Sunny

    • 53
    • 70

    Rain Showers Likely

    • 49
    • 71

    Chance Rain Showers

    • 48
    • 69

    Slight Chance Rain Showers

Today 15 Sep Southern Schoolcraft

Warmer. Cloudy with a slight chance of Showers in the Morning, then mostly sunny in the afternoon. Highs around 76. Southwest Winds 15 to 20 Mph, becoming west 10 to 15 Mph in the afternoon. Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 15 Sep Southern Schoolcraft

Clear. Lows 40 to 45. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Island Slough Temperature Statistics

September Temperature

Manistique, Schoolcraft County Airport (2.5 miles)

  • Lowest 6 September, 2026

    50 °F

  • Average September

    66.1 °F

  • Highest 9 September, 2026

    84.2 °F

Climate (2021–2026)

Manistique, Schoolcraft County Airport (2.5 miles)

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  • Average Low 2021–2026

    35.5 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    51.8 °F
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