Union Weather Forecast

    • 64
    • 84

    Decreasing Clouds

    • 69
    • 88

    Mostly Sunny

    • 72
    • 94

    Chance Thunderstorms

    • 70
    • 89

    Rain Showers Likely

    • 68
    • 83

    Rain Showers Likely

    • 67
    • 88

    Chance Rain Showers

Today 23 Jul Hunterdon

Patchy fog this morning. Mostly sunny. Highs in the mid 80s. Light and variable Winds, becoming south around 5 Mph this afternoon.

Tonight 23 Jul Hunterdon

Mostly clear. Lows in the mid 60s. South Winds around 5 Mph.

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Union Temperature Statistics

July Temperature

Somerville, Somerset Airport (14.9 miles)

  • Lowest 5 July, 2025

    55.7 °F

  • Average July

    78.5 °F

  • Highest 8 July, 2025

    95.6 °F

Climate (2020–Present)

Somerville, Somerset Airport (14.9 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    65.8 °F
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