Lilburn Weather Forecast

    • 71
    • 86

    Rain Showers

    • 70
    • 91

    Slight Chance Thunderstorms

    • 71
    • 95

    Mostly Sunny

    • 68
    • 90

    Slight Chance Thunderstorms

    • 66
    • 90

    Mostly Sunny

    • 68
    • 91

    Slight Chance Thunderstorms

Today 12 Sep Gwinnett

Mostly cloudy this Morning, then becoming partly sunny. A chance of Showers and Thunderstorms. Highs in the mid 80s. Light southwest Winds. Chance of rain 50 percent.

Tonight 12 Sep Gwinnett

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows around 70. Light west Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lilburn Temperature Statistics

September Temperature

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

  • Lowest 9 September, 2026

    66.9 °F

  • Average September

    82.8 °F

  • Highest 5 September, 2026

    100.7 °F

Climate (2021–2026)

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

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  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    74.1 °F
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