Union Weather Forecast

    • 61
    • 90

    Rain Showers

    • 52
    • 77

    Mostly Sunny

    • 56
    • 77

    Chance Rain Showers

    • 59
    • 81

    Rain Showers Likely

    • 64
    • 88

    Rain Showers Likely

    • 59
    • 82

    Chance Rain Showers

    • 58
    • 81

    Mostly Sunny

Today 14 Jun Hunterdon

Mostly cloudy with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature in the upper 80s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 14 Jun Hunterdon

Showers with a chance of Thunderstorms. Some Thunderstorms may produce gusty Winds and frequent lightning. Lows in the lower 60s. South Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

June Temperature

Somerville, Somerset Airport (14.9 miles)

  • Lowest 2 June, 2026

    41 °F

  • Average June

    70.4 °F

  • Highest 11 June, 2026

    93 °F

Climate (2021–Present)

Somerville, Somerset Airport (14.9 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.7 °F
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