Union Weather Forecast

    • 61
    • 83

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 70
    • 92

    Sunny

    • 68
    • 97

    Mostly Sunny

    • 65
    • 90

    Partly Sunny

    • 65
    • 88

    Partly Sunny

    • 64
    • 86

    Slight Chance Thunderstorms

Today 12 Jul Hunterdon

Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph this afternoon.

Tonight 12 Jul Hunterdon

Mostly clear. Lows in the lower 60s. Southeast Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Real-Time

Union Temperature Statistics

July Temperature

Somerville, Somerset Airport (14.9 miles)

  • Lowest 8 July, 2026

    60.1 °F

  • Average July

    77.4 °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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