Dismal Swamp State Wildlife Management Area Weather Forecast

    • 48
    • 66

    Cloudy

    • 43
    • 63

    Mostly Cloudy

    • 44
    • 65

    Mostly Sunny

    • 51
    • 67

    Mostly Cloudy

    • 54
    • 69

    Chance Rain Showers

    • 57
    • 73

    Mostly Cloudy

Today 20 Sep Big Stone

Mostly cloudy. A slight chance of Showers in the afternoon. Highs in the mid 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 20 Sep Big Stone

Cloudy. A slight chance of Showers after midnight. Lows in the upper 40s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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Dismal Swamp State Wildlife Management Area Temperature Statistics

September Temperature

Ortonville, Ortonville Muncipal-Martinson Field Airport (13.7 miles)

  • Lowest 16 September, 2026

    46.4 °F

  • Average September

    67.8 °F

  • Highest 3 September, 2026

    95 °F

Climate (2021–2026)

Ortonville, Ortonville Muncipal-Martinson Field Airport (13.7 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    55.1 °F
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