Cobb County Airport (McCollum Field) Weather Forecast

    • 70
    • 91

    Chance Thunderstorms

    • 69
    • 89

    Rain Showers Likely

    • 64
    • 82

    Rain Showers Likely

    • 61
    • 77

    Partly Sunny

    • 59
    • 79

    Partly Sunny

    • 58
    • 79

    Partly Sunny

Today 21 Sep Cobb

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Temperature falling into the mid 80s in the afternoon. Light and variable Winds, becoming east around 5 Mph in the afternoon. Chance of rain 20 percent.

Tonight 21 Sep Cobb

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows around 70. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cobb County Airport (McCollum Field) Temperature Statistics

September Temperature

Cobb County International Airport - McCollum Field (0 miles)

  • Lowest 9 September, 2026

    68 °F

  • Average September

    80.8 °F

  • Highest 5 September, 2026

    99 °F

Climate (2021–2026)

Cobb County International Airport - McCollum Field (0 miles)

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  • Average Low 2021–2026

    53.8 °F

  • Average 2021–2026

    63 °F

  • Average High 2021–2026

    72.8 °F
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