Union Weather Forecast

    • 67
    • 90

    Mostly Sunny

    • 69
    • 89

    Chance Thunderstorms

    • 64
    • 86

    Partly Sunny

    • 64
    • 84

    Chance Thunderstorms

    • 60
    • 85

    Slight Chance Thunderstorms

    • 58
    • 81

    Mostly Sunny

    • 58
    • 82

    Partly Sunny

Today 9 Aug Hunterdon

Patchy fog this morning. Sunny, hot with Highs around 90. West Winds 5 to 10 Mph.

Tonight 9 Aug Hunterdon

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

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  • Temperature Real-Time

Union Temperature Statistics

August Temperature

Somerville, Somerset Airport (14.9 miles)

  • Lowest 4 August, 2026

    57.9 °F

  • Average August

    76.2 °F

  • Highest 7 August, 2026

    91.9 °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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