Lilburn Weather Forecast

    • 71
    • 94

    Chance Thunderstorms

    • 70
    • 91

    Slight Chance Thunderstorms

    • 70
    • 92

    Rain Showers Likely

    • 68
    • 87

    Rain Showers Likely

    • 63
    • 81

    Chance Rain Showers

    • 62
    • 80

    Partly Sunny

Today 19 Sep Gwinnett

Sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Light northeast Winds. Chance of rain 40 percent.

Tonight 19 Sep Gwinnett

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows around 70. Light east Winds. Chance of rain 40 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 17 September, 2026

    66 °F

  • Average September

    82 °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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