Marion Weather Forecast

    • 33
    • 54

    Increasing Clouds

    • 38
    • 66

    Partly Sunny

    • 44
    • 72

    Partly Sunny

    • 40
    • 72

    Mostly Cloudy

    • 41
    • 67

    Partly Sunny

    • 50
    • 78

    Slight Chance Thunderstorms

Today 6 May Turner

Partly sunny. Highs in the mid 50s. Northwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 6 May Turner

Partly cloudy. Lows in the mid 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming south around 5 Mph after midnight.

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  • Temperature Real-Time

Marion Temperature Statistics

May Temperature

Sioux Falls, Foss Field (27.3 miles)

  • Lowest 2 May, 2026

    30.7 °F

  • Average May

    52.3 °F

  • Highest 3 May, 2026

    72.6 °F

Climate (2021–Present)

Sioux Falls, Foss Field (27.3 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    61 °F
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