Union Weather Forecast

    • 32
    • 52

    Mostly Cloudy

    • 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 13 Mar Hunterdon

Mostly sunny. Near steady temperature in the lower 50s. East Winds 5 to 10 Mph.

Tonight 13 Mar Hunterdon

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 30s. East Winds 5 to 10 Mph, becoming northeast after midnight.

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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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