Union Weather Forecast
- 27
- 44
Mostly Sunny
- 39
- 54
Partly Sunny
- 50
- 60
Chance Rain
- 59
- 75
Chance Rain
- 42
- 77
Rain Likely
- 37
- 52
Rain/Snow Likely
Today 28 Mar Hunterdon
Sunny. Highs in the mid 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.
Tonight 28 Mar Hunterdon
Mostly clear in the Evening, then becoming partly cloudy. Cold with Lows in the upper 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.
Union Temperature Statistics
March Temperature
Somerville, Somerset Airport (14.9 miles)
Lowest 2 March, 2026
19.9 °FAverage March
44.7 °FHighest 10 March, 2026
82 °F
Climate (2021–Present)
Somerville, Somerset Airport (14.9 miles)
Average Low 2021–2026
43 °FAverage 2021–2026
54.2 °FAverage High 2021–2026
65.7 °F