Snellville Weather Forecast

    • 68
    • 83

    Decreasing Clouds

    • 68
    • 88

    Mostly Sunny

    • 69
    • 90

    Mostly Sunny

    • 71
    • 92

    Chance Rain Showers

    • 71
    • 93

    Chance Thunderstorms

    • 70
    • 89

    Rain Showers Likely

    • 70
    • 91

    Chance Rain Showers

Today 7 Sep Gwinnett

Mostly cloudy Early, then becoming partly sunny. A chance of Showers. A slight chance of Thunderstorms. Near steady temperature in the lower 80s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 7 Sep Gwinnett

Mostly cloudy this Evening, then clearing. Lows in the upper 60s. East Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Snellville Temperature Statistics

September Temperature

Gwinnett County Airport-Briscoe Field (9.3 miles)

  • Lowest 1 September, 2026

    71.6 °F

  • Average September

    82.7 °F

  • Highest 5 September, 2026

    98.1 °F

Climate (2021–2026)

Gwinnett County Airport-Briscoe Field (9.3 miles)

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  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    62.4 °F

  • Average High 2021–2026

    72.4 °F
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