Lawrenceville Weather Forecast

    • 62
    • 86

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

    • 65
    • 90

    Partly Sunny

    • 64
    • 89

    Slight Chance Thunderstorms

    • 63
    • 85

    Chance Rain Showers

Today 16 Sep Gwinnett

Mostly sunny. Highs in the mid 80s. Light northwest Winds.

Tonight 16 Sep Gwinnett

Mostly clear. Lows in the lower 60s. Light east Winds.

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Lawrenceville Temperature Statistics

September Temperature

Gwinnett County Airport-Briscoe Field (2.5 miles)

  • Lowest 11 September, 2025

    60.1 °F

  • Average September

    72.8 °F

  • Highest 5 September, 2025

    88 °F

Climate (2020–Present)

Gwinnett County Airport-Briscoe Field (2.5 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    61.9 °F

  • Average High 2020–2025

    72 °F
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