Groveville, NJ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Groveville, 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 Groveville

When	Temp	Forecast	Wind	Precip
Tonight	59°F	Mostly Cloudy	0 to 5 mph E	4%
Sunday	77°F	Rain Showers Likely	5 to 10 mph SE	59%
Sunday Night	59°F	Rain Showers Likely	5 to 10 mph W	70%
Monday	70°F	Partly Sunny then Chance Rain Showers	5 to 10 mph NE	30%
Monday Night	54°F	Chance Rain Showers	5 to 10 mph NE	30%
Tuesday	67°F	Chance Rain Showers	10 mph NE	35%
Tuesday Night	52°F	Chance Rain Showers then Mostly Cloudy	10 to 15 mph NE	35%
Wednesday	65°F	Slight Chance Rain Showers	15 mph NE	22%
Wednesday Night	53°F	Slight Chance Rain Showers	15 mph NE	22%
Thursday	64°F	Chance Rain Showers	10 to 15 mph NE	31%
Thursday Night	51°F	Chance Rain Showers	10 to 15 mph NE	37%
Friday	67°F	Chance Rain Showers	10 to 15 mph N	36%
Friday Night	51°F	Chance Rain Showers	10 mph N	36%
Saturday	70°F	Chance Rain Showers	10 mph N	29%

Forecast source: National Weather Service (api.weather.gov) for Groveville (40.170, -74.651). Updated through the day.

Growing snapshot for Groveville

Last spring frost

Apr 25

First fall frost

Oct 16

Growing season

173 days

Hardiness zone

More local growing data for Groveville: nearby ZIP 08620 weather · frost dates · planting calendar · New Jersey frost dates

Nearby towns & communities

Allentown Hamilton Square Hightstown Hopewell Lawrenceville Mercerville Pennington Princeton Robbinsville Center The College of New Jersey Titusville Trenton Twin Rivers White Horse Windsor Yardville

All New Jersey locations ›

Climate data from the nearest NOAA station, Hightstown 2 W, Nj (8.1 mi from Groveville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.