Marion Weather Forecast

    • 52
    • 79

    Chance Rain Showers

    • 45
    • 68

    Mostly Sunny

    • 37
    • 58

    Slight Chance Rain Showers

    • 46
    • 63

    Mostly Sunny

    • 40
    • 68

    Partly Sunny

    • 37
    • 57

    Mostly Sunny

Today 16 Oct Turner

Partly sunny with isolated Showers. Much warmer with Highs in the upper 70s. South Winds around 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 16 Oct Turner

Mostly cloudy with a 50 percent chance of Showers. Lows in the lower 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming southwest 5 to 10 Mph with Gusts up to 20 Mph after midnight.

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Marion Temperature Statistics

October Temperature

Sioux Falls, Foss Field (27.3 miles)

  • Lowest 13 October, 2025

    36 °F

  • Average October

    62.3 °F

  • Highest 3 October, 2025

    91 °F

Climate (2020–Present)

Sioux Falls, Foss Field (27.3 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    60.7 °F
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