Marietta Weather Forecast

    • 60
    • 88

    Mostly Sunny

    • 62
    • 89

    Partly Sunny

    • 64
    • 88

    Partly Sunny

    • 64
    • 85

    Mostly Cloudy

    • 64
    • 81

    Chance Rain Showers

    • 60
    • 82

    Chance Rain Showers

Today 18 Sep Shelby

Sunny. Highs in the upper 80s. Light and variable Winds, becoming southwest around 5 Mph this afternoon.

Tonight 18 Sep Shelby

Clear. Lows around 60. Light and variable Winds.

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Marietta Temperature Statistics

September Temperature

Shelbyville Municipal Airport (10.6 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    64.7 °F

  • Highest 15 September, 2025

    87.1 °F

Climate (2020–Present)

Shelbyville Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    67 °F
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