Snellville Weather Forecast

    • 41
    • 53

    Chance Rain Showers

    • 44
    • 51

    Rain Showers Likely

    • 36
    • 52

    Rain Showers Likely

    • 26
    • 40

    Rain/Freezing Rain

    • 21
    • 33

    Rain/Freezing Rain Likely

    • 10
    • 33

    Mostly Sunny

    • 17
    • 36

    Partly Sunny

Today 21 Jan Gwinnett

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

Tonight 21 Jan Gwinnett

Mostly cloudy with a 50 percent chance of Showers. Not as cold with Lows in the lower 40s. Light south Winds.

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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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