Norcross Weather Forecast

    • 38
    • 59

    Mostly Sunny

    • 39
    • 61

    Mostly Sunny

    • 40
    • 55

    Partly Sunny

    • 47
    • 61

    Partly Sunny

    • 49
    • 67

    Partly Sunny

    • 52
    • 71

    Partly Sunny

Today 20 Dec Gwinnett

Sunny. Highs in the upper 50s. Light southeast Winds.

Tonight 20 Dec Gwinnett

Mostly clear. Lows in the upper 30s. Light southeast Winds, becoming northwest after midnight.

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Norcross Temperature Statistics

December Temperature

Atlanta, De Kalb-Peachtree Airport (6.2 miles)

  • Lowest 15 December, 2025

    18 °F

  • Average December

    42.1 °F

  • Highest 13 December, 2025

    70 °F

Climate (2020–Present)

Atlanta, De Kalb-Peachtree Airport (6.2 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    62.8 °F

  • Average High 2020–2025

    73.3 °F
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