Marietta Weather Forecast

    • 68
    • 91

    Partly Sunny

    • 70
    • 88

    Mostly Sunny

    • 70
    • 87

    Slight Chance Thunderstorms

    • 71
    • 86

    Chance Thunderstorms

    • 71
    • 87

    Chance Thunderstorms

    • 71
    • 89

    Chance Thunderstorms

Today 18 Sep Western Duval

Areas of fog early this morning. Mostly sunny. Highs in the lower 90s. North Winds around 5 Mph, increasing to east 10 to 15 Mph this afternoon.

Tonight 18 Sep Western Duval

Partly cloudy in the Evening, then clearing. Patchy fog after midnight. Lows in the upper 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight.

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Marietta Temperature Statistics

September Temperature

Cecil Airport (9.3 miles)

  • Lowest 15 September, 2025

    57.2 °F

  • Average September

    71.8 °F

  • Highest 5 September, 2025

    91.4 °F

Climate (2020–Present)

Cecil Airport (9.3 miles)

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  • Average Low 2020–2025

    58.4 °F

  • Average 2020–2025

    67.3 °F

  • Average High 2020–2025

    83.1 °F
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