Union City Weather Forecast

    • 32
    • 51

    Sunny

    • 38
    • 60

    Mostly Sunny

    • 40
    • 63

    Mostly Sunny

    • 39
    • 56

    Partly Sunny

    • 48
    • 63

    Partly Sunny

    • 49
    • 69

    Partly Sunny

    • 52
    • 72

    Partly Sunny

Today 19 Dec South Fulton

Sunny. Highs around 50. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 19 Dec South Fulton

Clear. Lows in the lower 30s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Union City Temperature Statistics

December Temperature

Atlanta, Hartsfield - Jackson Atlanta International Airport (7.5 miles)

  • Lowest 15 December, 2025

    21 °F

  • Average December

    43.7 °F

  • Highest 13 December, 2025

    69.1 °F

Climate (2020–Present)

Atlanta, Hartsfield - Jackson Atlanta International Airport (7.5 miles)

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  • Average Low 2020–2025

    56.4 °F

  • Average 2020–2025

    65 °F

  • Average High 2020–2025

    74.6 °F
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