Dismal Swamp State Wildlife Management Area Weather Forecast

    • 42
    • 68

    Mostly Sunny

    • 43
    • 62

    Mostly Sunny

    • 48
    • 67

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

    • 53
    • 70

    Partly Sunny

    • 57
    • 74

    Chance Rain Showers

Today 18 Oct Big Stone

Mostly sunny. Highs in the upper 60s. South Winds 5 to 10 Mph, becoming northwest in the afternoon.

Tonight 18 Oct Big Stone

Mostly clear. Lows in the lower 40s. North Winds around 5 Mph.

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  • Temperature Real-Time

Dismal Swamp State Wildlife Management Area Temperature Statistics

October Temperature

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

  • Lowest 2 October, 2026

    37.4 °F

  • Average October

    56.8 °F

  • Highest 10 October, 2026

    89.6 °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 °F
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