Cobb County Airport (McCollum Field) Weather Forecast

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 70
    • 87

    Chance Thunderstorms

    • 69
    • 85

    Chance Thunderstorms

    • 67
    • 87

    Chance Thunderstorms

    • 61
    • 84

    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 in the Evening, then clearing. Lows in the lower 70s. Light northwest Winds.

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Cobb County Airport (McCollum Field) Temperature Statistics

August Temperature

Cobb County International Airport - McCollum Field (0 miles)

  • Lowest 4 August, 2025

    62.6 °F

  • Average August

    78 °F

  • Highest 15 August, 2025

    93.2 °F

Climate (2020–Present)

Cobb County International Airport - McCollum Field (0 miles)

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  • Average Low 2020–2025

    53.4 °F

  • Average 2020–2025

    62.5 °F

  • Average High 2020–2025

    72.3 °F
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