Hearding Island State Wildlife Management Area Weather Forecast

    • 58
    • 62

    Rain Showers

    • 52
    • 63

    Breezy

    • 58
    • 62

    Mostly Cloudy

    • 57
    • 65

    Chance Rain Showers

    • 59
    • 63

    Rain Showers Likely

    • 56
    • 64

    Chance Rain Showers

    • 54
    • 61

    Chance Rain Showers

Today 14 Sep Carlton/South St. Louis

Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 14 Sep Carlton/South St. Louis

Showers with a slight chance of Thunderstorms this evening. Not as cool with Lows in the lower 50s. South Winds 10 to 15 Mph, becoming southwest after midnight. Gusts up to 30 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hearding Island State Wildlife Management Area Temperature Statistics

September Temperature

Duluth - Sky Harbor Airport (2.5 miles)

  • Lowest 10 September, 2026

    53.6 °F

  • Average September

    66.7 °F

  • Highest 1 September, 2026

    84.2 °F

Climate (2021–2026)

Duluth - Sky Harbor Airport (2.5 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    42.4 °F

  • Average High 2021–2026

    49.4 °F
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