Snellville Weather Forecast

    • 39
    • 57

    Increasing Clouds

    • 28
    • 55

    Chance Rain Showers

    • 22
    • 38

    Mostly Sunny

    • 34
    • 48

    Partly Sunny

    • 24
    • 48

    Partly Sunny

    • 24
    • 39

    Mostly Sunny

    • 26
    • 48

    Sunny

Today 13 Jan Gwinnett

Sunny. Highs in the upper 50s. West Winds 5 to 10 Mph.

Tonight 13 Jan Gwinnett

Mostly clear this Evening, then becoming mostly cloudy. Lows in the upper 30s. Light southwest Winds.

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Snellville Temperature Statistics

January Temperature

Gwinnett County Airport-Briscoe Field (9.3 miles)

  • Lowest 1 January, 2026

    32 °F

  • Average January

    52 °F

  • Highest 7 January, 2026

    69.1 °F

Climate (2021–Present)

Gwinnett County Airport-Briscoe Field (9.3 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62 °F

  • Average High 2021–2026

    72.1 °F
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