Sugar Hill Weather Forecast

    • 49
    • 70

    Rain Showers

    • 27
    • 56

    Rain Showers

    • 27
    • 45

    Mostly Sunny

    • 35
    • 53

    Partly Sunny

    • 43
    • 64

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

Today 15 Mar Gwinnett

Mostly cloudy with a 20 percent chance of Showers. Highs in the lower 70s. Southeast Winds 5 to 10 Mph.

Tonight 15 Mar Gwinnett

Mostly cloudy. Showers with a chance of Thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 40s. South Winds 5 to 10 Mph, increasing to southwest 15 to 20 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Real-Time

Sugar Hill Temperature Statistics

March Temperature

Gwinnett County Airport-Briscoe Field (9.3 miles)

  • Lowest 13 March, 2026

    41 °F

  • Average March

    61.9 °F

  • Highest 11 March, 2026

    82 °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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