Snellville Weather Forecast

    • 27
    • 39

    Sunny

    • 25
    • 44

    Mostly Sunny

    • 25
    • 44

    Mostly Sunny

    • 36
    • 49

    Chance Rain Showers

    • 29
    • 52

    Partly Sunny

    • 37
    • 53

    Chance Rain Showers

    • 37
    • 55

    Chance Rain Showers

Today 18 Jan Gwinnett

Sunny. Highs around 40. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Jan Gwinnett

Clear. Lows in the mid 20s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Snellville Temperature Statistics

January Temperature

Gwinnett County Airport-Briscoe Field (9.3 miles)

  • Lowest 1 January, 2026

    32 °F

  • Average January

    50.3 °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

    53.1 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.2 °F
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