Union Weather Forecast

    • 62
    • 82

    Mostly Cloudy

    • 64
    • 87

    Becoming Sunny

    • 68
    • 89

    Partly Sunny

    • 74
    • 96

    Mostly Sunny

    • 75
    • 99

    Hot

    • 73
    • 99

    Slight Chance Thunderstorms

    • 70
    • 96

    Chance Thunderstorms

Today 28 Jun Hunterdon

Partly sunny. Near steady temperature around 80. Southeast Winds around 5 Mph.

Tonight 28 Jun Hunterdon

Partly cloudy. A slight chance of Showers this evening. Patchy fog. 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

June Temperature

Somerville, Somerset Airport (14.9 miles)

  • Lowest 2 June, 2026

    41 °F

  • Average June

    70.5 °F

  • Highest 11 June, 2026

    93 °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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