Rocky Hill, NJ Weather & Growing Conditions
This Afternoon
74°F
Partly Sunny
Partly sunny, with a high near 74. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Partly Sunny | 5 mph E | 1% |
| Tonight | 58°F | Mostly Cloudy | 0 to 5 mph SE | 6% |
| Sunday | 76°F | Showers And Thunderstorms | 5 mph SE | 80% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 0 to 5 mph NW | 66% |
| Monday | 70°F | Chance Rain Showers | 5 to 10 mph NE | 28% |
| Monday Night | 52°F | Chance Rain Showers | 5 mph NE | 29% |
| Tuesday | 66°F | Chance Rain Showers | 5 to 10 mph NE | 35% |
| Tuesday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 35% |
| Wednesday | 65°F | Slight Chance Rain Showers | 10 mph NE | 20% |
| Wednesday Night | 50°F | Slight Chance Rain Showers | 10 mph NE | 21% |
| Thursday | 63°F | Chance Rain Showers | 10 mph NE | 29% |
| Thursday Night | 49°F | Chance Rain Showers | 10 mph NE | 35% |
| Friday | 66°F | Chance Rain Showers | 10 mph N | 36% |
| Friday Night | 50°F | Chance Rain Showers | 5 to 10 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rocky Hill, NJ
Last spring frost
Apr 16
First fall frost
Oct 27
Growing season
192 days
Hardiness zone
7a
Explore more for Rocky Hill, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Wertsville 4 Ne, Nj (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.