Rocky Hill Weather Forecast
- 53
- 86
Mostly Sunny
- 53
- 75
Mostly Sunny
- 53
- 73
Partly Sunny
- 59
- 79
Partly Sunny
- 61
- 85
Partly Sunny
- 60
- 82
Chance Rain Showers
Today 19 Sep Somerset
Sunny. Highs in the mid 80s. Northwest Winds around 5 Mph.
Tonight 19 Sep Somerset
Mostly clear. Lows in the mid 50s. North Winds around 5 Mph.
Rocky Hill Temperature Statistics
September Temperature
Trenton, Mercer County Airport (12.4 miles)
Lowest 8 September, 2025
51.1 °FAverage September
67.7 °FHighest 5 September, 2025
86 °F
Climate (2020–Present)
Trenton, Mercer County Airport (12.4 miles)
Average Low 2020–2025
46.2 °FAverage 2020–2025
55.3 °FAverage High 2020–2025
64.4 °F