Snellville Weather Forecast

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    • 79

    Rain Showers

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    • 80

    Thunderstorms Likely

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    • 82

    Rain Showers Likely

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    • 86

    Chance Thunderstorms

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    Rain Showers

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    Rain Showers

Today 25 May Gwinnett

Showers likely with a chance of Thunderstorms this Morning, then Showers with Thunderstorms likely this afternoon. Highs in the upper 70s. Light south Winds. Chance of rain 90 percent.

Tonight 25 May Gwinnett

Mostly cloudy. Showers with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the mid 60s. Light southeast Winds. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Snellville Temperature Statistics

May Temperature

Gwinnett County Airport-Briscoe Field (9.3 miles)

  • Lowest 4 May, 2026

    44.1 °F

  • Average May

    68.3 °F

  • Highest 17 May, 2026

    89.1 °F

Climate (2021–Present)

Gwinnett County Airport-Briscoe Field (9.3 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    62.3 °F

  • Average High 2021–2026

    72.3 °F
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