Union City Weather Forecast

    • 71
    • 87

    Chance Thunderstorms

    • 66
    • 85

    Chance Rain Showers

    • 61
    • 80

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 63
    • 81

    Partly Sunny

Today 3 Sep Western Union

Mostly cloudy with a chance of Showers Early, then partly sunny this afternoon. Humid with Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 3 Sep Western Union

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Humid with Lows around 70. West Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Real-Time

Union City Temperature Statistics

September Temperature

Newark, Newark International Airport (5 miles)

  • Lowest 1 September, 2026

    70 °F

  • Average September

    75.4 °F

  • Highest 1 September, 2026

    86 °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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