South Brunswick Township Weather Forecast
- 18
- 31
Partly Sunny
- 21
- 42
Partly Sunny
- 39
- 53
Mostly Cloudy
- 23
- 53
Partly Sunny
- 29
- 38
Mostly Cloudy
- 25
- 47
Slight Chance Rain
Today 16 Dec Middlesex
Sunny, cold with Highs in the lower 30s. West Winds around 5 Mph.
Tonight 16 Dec Middlesex
Partly cloudy. Cold with Lows around 19. Southwest Winds around 5 Mph.
South Brunswick Township Temperature Statistics
December Temperature
Trenton, Mercer County Airport (16.2 miles)
Lowest 9 December, 2025
10.9 °FAverage December
31.1 °FHighest 10 December, 2025
43 °F
Climate (2020–Present)
Trenton, Mercer County Airport (16.2 miles)
Average Low 2020–2025
46.2 °FAverage 2020–2025
55.3 °FAverage High 2020–2025
64.3 °F