Brentwood Weather Forecast

    • 45
    • 60

    Mostly Cloudy

    • 41
    • 61

    Rain Showers

    • 31
    • 52

    Sunny

    • 41
    • 59

    Mostly Sunny

    • 39
    • 62

    Partly Sunny

    • 39
    • 57

    Partly Sunny

    • 44
    • 61

    Partly Sunny

Today 17 Dec South Fulton

Partly sunny. Highs in the upper 50s. Light south Winds.

Tonight 17 Dec South Fulton

Mostly cloudy. Lows in the lower 40s. Light east Winds.

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  • Temperature Real-Time

Brentwood Temperature Statistics

December Temperature

Atlanta, Hartsfield - Jackson Atlanta International Airport (5 miles)

  • Lowest 15 December, 2025

    21 °F

  • Average December

    43.4 °F

  • Highest 13 December, 2025

    69.1 °F

Climate (2020–Present)

Atlanta, Hartsfield - Jackson Atlanta International Airport (5 miles)

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  • Average Low 2020–2025

    56.4 °F

  • Average 2020–2025

    65 °F

  • Average High 2020–2025

    74.6 °F
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