Union City Weather Forecast

    • 32
    • 37

    Increasing Clouds

    • 25
    • 44

    Partly Sunny

    • 29
    • 37

    Rain/Snow Likely

    • 34
    • 41

    Chance Rain/Snow

    • 30
    • 43

    Partly Sunny

    • 40
    • 47

    Chance Rain

Today 20 Dec Western Union

Mostly sunny. Much cooler with Highs in the upper 30s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 20 Dec Western Union

Mostly cloudy in the Evening, then becoming partly cloudy. Near steady temperature in the lower 30s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union City Temperature Statistics

December Temperature

Newark, Newark International Airport (5 miles)

  • Lowest 9 December, 2025

    18 °F
  • Average December

    32.6 °F
  • Highest 10 December, 2025

    46.9 °F

Climate (2020–Present)

Newark, Newark International Airport (5 miles)

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  • Average Low 2020–2025

    50 °F
  • Average 2020–2025

    58.1 °F
  • Average High 2020–2025

    66.4 °F
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