Union Weather Forecast

    • 62
    • 83

    Increasing Clouds

    • 65
    • 84

    Thunderstorms

    • 65
    • 76

    Rain Showers

    • 61
    • 75

    Rain Showers Likely

    • 61
    • 78

    Chance Thunderstorms

    • 64
    • 83

    Slight Chance Thunderstorms

    • 66
    • 84

    Chance Rain Showers

Today 26 Jul Hunterdon

Sunny. Highs in the lower 80s. Light and variable Winds, becoming south around 5 Mph this afternoon.

Tonight 26 Jul Hunterdon

Partly cloudy. Isolated Showers after midnight. Patchy fog after midnight. Lows in the lower 60s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

July Temperature

Somerville, Somerset Airport (14.9 miles)

  • Lowest 20 July, 2026

    51.1 °F

  • Average July

    75.2 °F

  • Highest 2 July, 2026

    102 °F

Climate (2021–2026)

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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