Union Weather Forecast

    • 42
    • 69

    Becoming Sunny

    • 40
    • 63

    Sunny

    • 49
    • 69

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

Today 5 Oct Hunterdon

Sunny, warmer with Highs in the upper 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 5 Oct Hunterdon

Clear, cooler with Lows in the lower 40s. Northwest Winds 5 to 10 Mph.

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Union Temperature Statistics

October Temperature

Somerville, Somerset Airport (14.9 miles)

  • Lowest 2 October, 2026

    57 °F

  • Average October

    68.4 °F

  • Highest 2 October, 2026

    86 °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

    65.6 °F
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