Brookhaven Weather Forecast

    • 68
    • 85

    Rain Showers Likely

    • 64
    • 75

    Rain Showers

    • 60
    • 80

    Slight Chance Thunderstorms

    • 54
    • 75

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 54
    • 78

    Partly Sunny

Today 3 Oct DeKalb

Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the mid 80s. Light south Winds. Chance of rain 50 percent.

Tonight 3 Oct DeKalb

Cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the upper 60s. Light east Winds. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brookhaven Temperature Statistics

October Temperature

Atlanta, De Kalb-Peachtree Airport (1.9 miles)

  • Lowest 1 October, 2026

    63 °F

  • Average October

    73.1 °F

  • Highest 1 October, 2026

    82.9 °F

Climate (2021–2026)

Atlanta, De Kalb-Peachtree Airport (1.9 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    63.6 °F

  • Average High 2021–2026

    74.2 °F
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