Cobb County Airport (McCollum Field) Weather Forecast

    • 66
    • 88

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

    • 66
    • 88

    Partly Sunny

    • 65
    • 86

    Partly Sunny

    • 66
    • 84

    Partly Sunny

    • 66
    • 85

    Slight Chance Thunderstorms

Today 18 Sep Cobb

Patchy fog this morning. Sunny. Highs in the upper 80s. Light northeast Winds.

Tonight 18 Sep Cobb

Mostly clear. Lows in the mid 60s. Light east Winds.

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Cobb County Airport (McCollum Field) Temperature Statistics

September Temperature

Cobb County International Airport - McCollum Field (0 miles)

  • Lowest 10 September, 2025

    57.2 °F

  • Average September

    73.2 °F

  • Highest 5 September, 2025

    91.9 °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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