Marietta Weather Forecast

    • 74
    • 97

    Hot

    • 74
    • 94

    Becoming Sunny

    • 73
    • 94

    Slight Chance Rain Showers

    • 72
    • 96

    Mostly Sunny

    • 73
    • 96

    Slight Chance Thunderstorms

    • 73
    • 97

    Hot

    • 74
    • 98

    Hot

Today 1 Sep Cass

Partly cloudy with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. East Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 1 Sep Cass

Partly cloudy. Lows in the mid 70s. Southeast Winds around 5 Mph this Evening, becoming light and variable.

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Marietta Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Regional Airport (24.9 miles)

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  • Average September

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Climate (2021–2026)

Mount Pleasant, Mount Pleasant Regional Airport (24.9 miles)

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  • Average Low 2021–2026

    55.1 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    77.2 °F
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