Union Weather Forecast

    • 38
    • 58

    Mostly Cloudy

    • 52
    • 62

    Rain Showers Likely

    • 47
    • 68

    Rain Showers

    • 34
    • 56

    Mostly Sunny

    • 41
    • 61

    Mostly Sunny

    • 45
    • 69

    Mostly Cloudy

Today 14 Mar Hunterdon

Mostly sunny. Highs in the upper 50s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph in the afternoon.

Tonight 14 Mar Hunterdon

Partly cloudy in the Evening, then cloudy with patchy drizzle after midnight. Patchy fog after midnight. Lows in the upper 30s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Temperature Statistics

March Temperature

Somerville, Somerset Airport (14.9 miles)

  • Lowest 3 March, 2025

    13.7 °F

  • Average March

    41.5 °F

  • Highest 11 March, 2025

    70 °F

Climate (2020–Present)

Somerville, Somerset Airport (14.9 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    65.6 °F
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