Union City Weather Forecast

    • 68
    • 80

    Rain Showers

    • 67
    • 81

    Rain Showers

    • 56
    • 75

    Mostly Sunny

    • 58
    • 73

    Partly Sunny

    • 64
    • 79

    Mostly Sunny

    • 66
    • 84

    Slight Chance Rain Showers

    • 63
    • 81

    Chance Rain Showers

Today 12 Sep Western Union

Partly sunny. Highs around 80. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 12 Sep Western Union

Mostly cloudy. Showers likely with a chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 60 percent.

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Union City Temperature Statistics

September Temperature

Newark, Newark International Airport (5 miles)

  • Lowest 8 September, 2026

    60.7 °F

  • Average September

    75.8 °F

  • Highest 3 September, 2026

    89.7 °F

Climate (2021–2026)

Newark, Newark International Airport (5 miles)

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  • Average Low 2021–2026

    49.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    66.4 °F
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