Marion Weather Forecast

    • 50
    • 59

    Drizzle

    • 54
    • 64

    Rain Showers

    • 55
    • 69

    Rain Showers Likely

    • 56
    • 66

    Rain Showers Likely

    • 58
    • 72

    Slight Chance Rain Showers

    • 58
    • 75

    Mostly Cloudy

Today 22 Sep Turner

Mostly cloudy. Areas of drizzle this morning. Patchy fog this morning. Highs around 60. East Winds 5 to 10 Mph.

Tonight 22 Sep Turner

Mostly cloudy. Lows in the lower 50s. Southeast Winds 10 to 15 Mph.

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Marion Temperature Statistics

September Temperature

Sioux Falls, Foss Field (27.3 miles)

  • Lowest 16 September, 2026

    46.7 °F

  • Average September

    70.5 °F

  • Highest 4 September, 2026

    99.6 °F

Climate (2021–2026)

Sioux Falls, Foss Field (27.3 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    61 °F
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