Gwinnett County Airport (Briscoe Field) Weather Forecast

    • 68
    • 89

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

    • 64
    • 88

    Sunny

    • 65
    • 90

    Sunny

    • 67
    • 90

    Mostly Sunny

Today 13 Sep Gwinnett

Sunny. Highs around 90. Northwest Winds 5 to 10 Mph.

Tonight 13 Sep Gwinnett

Mostly clear. Lows in the upper 60s. Light northwest Winds.

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Gwinnett County Airport (Briscoe Field) Temperature Statistics

September Temperature

Gwinnett County Airport-Briscoe Field (0 miles)

  • Lowest 9 September, 2026

    66.2 °F

  • Average September

    80.1 °F

  • Highest 5 September, 2026

    98.1 °F

Climate (2021–2026)

Gwinnett County Airport-Briscoe Field (0 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    62.4 °F

  • Average High 2021–2026

    72.4 °F
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