Smyrna Weather Forecast

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

    • 70
    • 87

    Chance Thunderstorms

    • 69
    • 83

    Chance Thunderstorms

    • 67
    • 84

    Chance Thunderstorms

    • 63
    • 85

    Mostly Sunny

Today 20 Aug Cobb

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs around 90. Light northeast Winds, becoming north around 5 Mph this afternoon. Chance of rain 40 percent.

Tonight 20 Aug Cobb

Partly cloudy. Lows in the lower 70s. Light northwest Winds.

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Smyrna Temperature Statistics

August Temperature

Marietta / Dobbins Air Force Base (1.9 miles)

  • Lowest 4 August, 2025

    64.2 °F

  • Average August

    76.3 °F

  • Highest 15 August, 2025

    91.9 °F

Climate (2020–Present)

Marietta / Dobbins Air Force Base (1.9 miles)

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  • Average Low 2020–2025

    53.7 °F

  • Average 2020–2025

    62.8 °F

  • Average High 2020–2025

    72.6 °F
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