Austell Weather Forecast

    • 38
    • 59

    Rain Showers

    • 29
    • 51

    Sunny

    • 39
    • 60

    Mostly Sunny

    • 35
    • 61

    Chance Rain Showers

    • 35
    • 56

    Mostly Cloudy

    • 45
    • 60

    Partly Sunny

Today 18 Dec Cobb

Showers. Highs around 60. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

Tonight 18 Dec Cobb

A slight chance of Thunderstorms. Showers Likely, mainly this evening. Lows around 40. South Winds 10 to 15 Mph, becoming west 15 to 20 Mph after midnight. Chance of rain 70 percent.

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Austell Temperature Statistics

December Temperature

Fulton County Airport-Brown Field (6.2 miles)

  • Lowest 15 December, 2025

    16 °F

  • Average December

    40.9 °F

  • Highest 13 December, 2025

    68 °F

Climate (2020–Present)

Fulton County Airport-Brown Field (6.2 miles)

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  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    74.1 °F
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