Dismal Swamp State Wildlife Management Area Weather Forecast

    • 53
    • 78

    Mostly Sunny

    • 60
    • 79

    Chance Rain Showers

    • 62
    • 80

    Chance Thunderstorms

    • 61
    • 84

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

Today 22 Aug Big Stone

Sunny. Near steady temperature in the upper 70s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 22 Aug Big Stone

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. North Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Dismal Swamp State Wildlife Management Area Temperature Statistics

August Temperature

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

  • Lowest 5 August, 2026

    50 °F

  • Average August

    70.5 °F

  • Highest 3 August, 2026

    86 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    55.1 °F
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