The College of New Jersey, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for The College of New Jersey, a community in Mercer County, New Jersey.
Tonight
59°F
Mostly Cloudy
Mostly cloudy, with a low around 59. East wind 0 to 5 mph.
7-day forecast for The College of New Jersey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Mostly Cloudy | 0 to 5 mph E | 6% |
| Sunday | 77°F | Rain Showers Likely | 5 to 10 mph SE | 74% |
| Sunday Night | 58°F | Rain Showers Likely | 5 mph W | 66% |
| Monday | 71°F | Partly Sunny then Chance Rain Showers | 5 to 10 mph NE | 29% |
| Monday Night | 53°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 67°F | Chance Rain Showers | 10 mph NE | 36% |
| Tuesday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 36% |
| Wednesday | 65°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Wednesday Night | 52°F | Slight Chance Rain Showers | 10 mph NE | 22% |
| Thursday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Thursday Night | 50°F | Chance Rain Showers | 10 mph NE | 36% |
| Friday | 67°F | Chance Rain Showers | 10 mph N | 36% |
| Friday Night | 51°F | Chance Rain Showers | 10 mph N | 35% |
| Saturday | 71°F | Chance Rain Showers | 10 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov) for The College of New Jersey (40.268, -74.778). Updated through the day.
Growing snapshot for The College of New Jersey
Last spring frost
Apr 17
First fall frost
Oct 28
Growing season
192 days
Hardiness zone
7a
More local growing data for The College of New Jersey: nearby ZIP 08638 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Allentown
Groveville
Hamilton Square
Hightstown
Hopewell
Lawrenceville
Mercerville
Pennington
Princeton
Robbinsville Center
Titusville
Trenton
Twin Rivers
White Horse
Windsor
Yardville
Climate data from the nearest NOAA station, Trenton State College, Nj (1.9 mi from The College of New Jersey). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.