Duluth Weather Forecast

    • 37
    • 55

    Rain Showers

    • 15
    • 46

    Mostly Cloudy

    • 19
    • 31

    Mostly Sunny

    • 17
    • 33

    Chance Snow

    • 20
    • 35

    Partly Sunny

    • 26
    • 39

    Chance Snow

Today 18 Jan Gwinnett

Mostly cloudy. Showers, mainly in the morning. Highs in the mid 50s. Light southeast Winds. Chance of rain 90 percent.

Tonight 18 Jan Gwinnett

Mostly cloudy. A chance of Showers, mainly in the evening. Lows in the upper 30s. Light south Winds, becoming west after midnight. Chance of rain 50 percent.

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  • Temperature Real-Time

Duluth Temperature Statistics

January Temperature

Gwinnett County Airport-Briscoe Field (10.6 miles)

  • Lowest 12 January, 2025

    19.4 °F

  • Average January

    36.3 °F

  • Highest 13 January, 2025

    53.1 °F

Climate (2020–Present)

Gwinnett County Airport-Briscoe Field (10.6 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    61.9 °F

  • Average High 2020–2025

    72 °F
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