Duluth Weather Forecast

    • 73
    • 92

    Chance Thunderstorms

    • 74
    • 92

    Chance Thunderstorms

    • 75
    • 92

    Slight Chance Thunderstorms

    • 73
    • 92

    Chance Thunderstorms

    • 71
    • 89

    Slight Chance Thunderstorms

    • 72
    • 88

    Slight Chance Thunderstorms

Today 19 Jul Gwinnett

Sunny this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Temperature falling into the mid 80s this afternoon. Light west Winds. Chance of rain 50 percent.

Tonight 19 Jul Gwinnett

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 70s. Light southwest Winds in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duluth Temperature Statistics

July Temperature

Gwinnett County Airport-Briscoe Field (10.6 miles)

  • Lowest 5 July, 2026

    69.8 °F

  • Average July

    79.6 °F

  • Highest 2 July, 2026

    97 °F

Climate (2021–2026)

Gwinnett County Airport-Briscoe Field (10.6 miles)

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  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    62.3 °F

  • Average High 2021–2026

    72.2 °F
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