Union Square Weather Forecast

    • 70
    • 92

    Chance Thunderstorms

    • 62
    • 86

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 69
    • 90

    Partly Sunny

    • 74
    • 94

    Partly Sunny

    • 77
    • 97

    Slight Chance Thunderstorms

Today 20 Jul Eastern Union

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Highs in the lower 90s. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent. Heat index Values up to 101.

Tonight 20 Jul Eastern Union

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Evening, then mostly clear after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall this evening. Lows around 70. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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Union Square Temperature Statistics

July Temperature

Newark, Newark International Airport (1.9 miles)

  • Lowest 4 July, 2025

    65.6 °F

  • Average July

    81.6 °F

  • Highest 8 July, 2025

    100.7 °F

Climate (2020–Present)

Newark, Newark International Airport (1.9 miles)

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  • Average Low 2020–2025

    50.1 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    66.4 °F
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