Croswell Weather Forecast

    • 42
    • 64

    Chance Rain Showers

    • 42
    • 66

    Mostly Sunny

    • 47
    • 69

    Mostly Sunny

    • 52
    • 75

    Partly Sunny

    • 54
    • 78

    Partly Sunny

    • 49
    • 69

    Partly Sunny

    • 48
    • 68

    Partly Sunny

Today 6 Sep Sanilac

Mostly cloudy with a 20 percent chance of Showers. West Winds 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 6 Sep Sanilac

Mostly cloudy until early Morning, then becoming partly cloudy. A 20 percent chance of Showers. Lows in the lower 40s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Croswell Temperature Statistics

September Temperature

St Clair County International Airport (25.5 miles)

  • Lowest 1 September, 2025

    44.6 °F

  • Average September

    60.7 °F

  • Highest 3 September, 2025

    80.6 °F

Climate (2020–Present)

St Clair County International Airport (25.5 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    58.6 °F
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