Snellville Weather Forecast

    • 59
    • 83

    Sunny

    • 63
    • 86

    Mostly Sunny

    • 66
    • 86

    Mostly Sunny

    • 69
    • 86

    Chance Rain Showers

    • 68
    • 83

    Rain Showers Likely

    • 66
    • 77

    Rain Showers Likely

Today 29 Sep Gwinnett

Sunny. Highs in the mid 80s. Light east Winds.

Tonight 29 Sep Gwinnett

Clear. Lows in the upper 50s. Light east Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Snellville Temperature Statistics

September Temperature

Gwinnett County Airport-Briscoe Field (9.3 miles)

  • Lowest 26 September, 2026

    53.6 °F

  • Average September

    77.1 °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

    53.4 °F

  • Average 2021–2026

    62.5 °F

  • Average High 2021–2026

    72.4 °F
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