Snellville Weather Forecast

    • 65
    • 87

    Becoming Sunny

    • 65
    • 88

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

    • 65
    • 84

    Partly Sunny

    • 66
    • 85

    Slight Chance Thunderstorms

Today 18 Sep Gwinnett

Patchy fog this morning. Sunny. Highs in the upper 80s. Light northeast Winds.

Tonight 18 Sep Gwinnett

Mostly clear. Lows in the mid 60s. 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 11 September, 2025

    60.1 °F

  • Average September

    72.6 °F

  • Highest 5 September, 2025

    88 °F

Climate (2020–Present)

Gwinnett County Airport-Briscoe Field (9.3 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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