Union City Weather Forecast

    • 58
    • 74

    Slight Chance Rain Showers

    • 60
    • 79

    Mostly Sunny

    • 64
    • 82

    Partly Sunny

    • 72
    • 86

    Slight Chance Rain Showers

    • 64
    • 85

    Slight Chance Rain Showers

    • 60
    • 77

    Mostly Sunny

Today 6 Sep Western Union

Partly sunny with a 20 percent chance of Showers. Highs in the mid 70s. Northeast Winds around 5 Mph.

Tonight 6 Sep Western Union

Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Lows in the mid 50s. North Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union City Temperature Statistics

September Temperature

Newark, Newark International Airport (5 miles)

  • Lowest 2 September, 2026

    66.7 °F

  • Average September

    77.4 °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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