Union Square Weather Forecast

    • 63
    • 82

    Partly Sunny

    • 62
    • 80

    Partly Sunny

    • 61
    • 80

    Partly Sunny

    • 62
    • 78

    Chance Rain Showers

    • 62
    • 79

    Chance Rain Showers

    • 62
    • 83

    Partly Sunny

Today 14 Sep Eastern Union

Partly sunny. A slight chance of Showers in the afternoon. Highs in the lower 80s. West Winds around 5 Mph, becoming north around 5 Mph in the afternoon. Chance of rain 20 percent.

Tonight 14 Sep Eastern Union

Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Lows in the lower 60s. East Winds around 5 Mph, becoming northeast after midnight. Chance of rain 20 percent.

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Union Square Temperature Statistics

September Temperature

Newark, Newark International Airport (1.9 miles)

  • Lowest 9 September, 2025

    57 °F

  • Average September

    70.6 °F

  • Highest 6 September, 2025

    90 °F

Climate (2020–Present)

Newark, Newark International Airport (1.9 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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