Marion Weather Forecast

    • 70
    • 90

    Chance Thunderstorms

    • 64
    • 82

    Chance Rain Showers

    • 70
    • 86

    Chance Thunderstorms

    • 64
    • 87

    Chance Thunderstorms

    • 61
    • 81

    Chance Thunderstorms

    • 60
    • 78

    Slight Chance Thunderstorms

Today 17 Sep Shelby

Partly cloudy. Lows in the upper 50s. Highs in the mid 70s.

Tonight 17 Sep Shelby

Partly cloudy late this Afternoon, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms through the late overnight. A chance of Showers and Thunderstorms toward daybreak. Some Thunderstorms may produce heavy rainfall. Humid with Lows around 70. West Winds 5 to 10 Mph, becoming north. Chance of rain 50 percent.

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Marion Temperature Statistics

September Temperature

Shelbyville Municipal Airport (1.9 miles)

  • Lowest 14 September, 2026

    54 °F

  • Average September

    77 °F

  • Highest 4 September, 2026

    96.7 °F

Climate (2021–2026)

Shelbyville Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    67 °F
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