Duluth Weather Forecast

    • 49
    • 63

    Mostly Cloudy

    • 42
    • 63

    Rain Showers

    • 41
    • 63

    Mostly Sunny

    • 42
    • 65

    Mostly Sunny

    • 48
    • 71

    Partly Sunny

    • 49
    • 72

    Partly Sunny

Today 30 Jan Gwinnett

Mostly cloudy. Highs in the mid 60s. East Winds 5 to 10 Mph.

Tonight 30 Jan Gwinnett

Mostly cloudy. Lows around 50. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duluth Temperature Statistics

January Temperature

Gwinnett County Airport-Briscoe Field (10.6 miles)

  • Lowest 20 January, 2025

    16 °F

  • Average January

    36.2 °F

  • Highest 17 January, 2025

    57.9 °F

Climate (2020–Present)

Gwinnett County Airport-Briscoe Field (10.6 miles)

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  • Average Low 2020–2025

    52.8 °F

  • Average 2020–2025

    61.9 °F

  • Average High 2020–2025

    72 °F
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