Cobb County Airport (McCollum Field) Weather Forecast

    • 69
    • 85

    Slight Chance Thunderstorms

    • 69
    • 87

    Partly Sunny

    • 70
    • 88

    Mostly Sunny

    • 70
    • 91

    Chance Rain Showers

    • 69
    • 90

    Chance Thunderstorms

    • 70
    • 90

    Chance Thunderstorms

Today 7 Sep Cobb

Mostly cloudy in the Morning, then becoming partly sunny. A slight chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the mid 80s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 7 Sep Cobb

Partly cloudy. Near steady temperature in the lower 70s. East Winds 5 to 10 Mph.

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Cobb County Airport (McCollum Field) Temperature Statistics

September Temperature

Cobb County International Airport - McCollum Field (0 miles)

  • Lowest 1 September, 2026

    72 °F

  • Average September

    83.8 °F

  • Highest 3 September, 2026

    97 °F

Climate (2021–2026)

Cobb County International Airport - McCollum Field (0 miles)

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  • Average Low 2021–2026

    53.7 °F

  • Average 2021–2026

    62.9 °F

  • Average High 2021–2026

    72.7 °F
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