Snellville Weather Forecast

    • 31
    • 53

    Chance Rain Showers

    • 27
    • 40

    Mostly Sunny

    • 24
    • 46

    Mostly Sunny

    • 23
    • 43

    Mostly Sunny

    • 34
    • 50

    Mostly Cloudy

    • 31
    • 51

    Partly Sunny

    • 37
    • 55

    Mostly Cloudy

Today 17 Jan Gwinnett

Partly sunny. Near steady temperature in the lower 50s. West Winds 5 to 10 Mph.

Tonight 17 Jan Gwinnett

Mostly cloudy. A chance of rain Showers, mainly this evening. Lows in the upper 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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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 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.1 °F
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