Snellville Weather Forecast

    • 41
    • 51

    Rain Showers Likely

    • 34
    • 51

    Mostly Cloudy

    • 34
    • 49

    Mostly Sunny

    • 40
    • 57

    Partly Sunny

    • 46
    • 60

    Chance Rain Showers

    • 24
    • 54

    Chance Rain Showers

Today 7 Dec Gwinnett

Mostly cloudy. Near steady temperature in the upper 40s. Light east Winds.

Tonight 7 Dec Gwinnett

Cloudy. Showers likely after midnight. Lows in the lower 40s. Light east Winds, becoming north after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Snellville Temperature Statistics

December Temperature

Gwinnett County Airport-Briscoe Field (9.3 miles)

  • Lowest 3 December, 2025

    30 °F

  • Average December

    41.4 °F

  • Highest 3 December, 2025

    51.1 °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

    62 °F

  • Average High 2020–2025

    72 °F
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