New Gretna, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Gretna, a community in Burlington County, New Jersey.
Tonight
61°F
Mostly Cloudy
Mostly cloudy, with a low around 61. East wind 5 to 10 mph.
7-day forecast for New Gretna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy | 5 to 10 mph E | 3% |
| Sunday | 78°F | Slight Chance Rain Showers | 5 to 10 mph SE | 23% |
| Sunday Night | 61°F | Rain Showers Likely | 5 to 10 mph SW | 56% |
| Monday | 71°F | Chance Rain Showers | 5 to 10 mph NE | 43% |
| Monday Night | 57°F | Chance Rain Showers | 10 mph NE | 43% |
| Tuesday | 68°F | Chance Rain Showers | 15 to 20 mph NE | 37% |
| Tuesday Night | 56°F | Chance Rain Showers | 15 to 20 mph NE | 37% |
| Wednesday | 67°F | Chance Rain Showers | 15 to 20 mph NE | 27% |
| Wednesday Night | 56°F | Chance Rain Showers | 15 to 20 mph NE | 34% |
| Thursday | 66°F | Chance Rain Showers | 20 mph NE | 40% |
| Thursday Night | 53°F | Chance Rain Showers | 15 to 20 mph NE | 43% |
| Friday | 67°F | Chance Rain Showers | 15 to 20 mph N | 40% |
| Friday Night | 53°F | Chance Rain Showers | 10 to 15 mph N | 36% |
| Saturday | 70°F | Chance Rain Showers | 10 to 15 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov) for New Gretna (39.588, -74.455). Updated through the day.
Growing snapshot for New Gretna
Last spring frost
Apr 18
First fall frost
Oct 29
Growing season
190 days
Hardiness zone
7a
More local growing data for New Gretna: nearby ZIP 08224 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Beverly
Bordentown
Browns Mills
Burlington
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Florence
Fort Dix
Jobstown
Juliustown
Leisuretowne
McGuire AFB
Medford Lakes
Moorestown-Lenola
New Egypt
Palmyra
Pemberton
Pemberton Heights
Presidential Lakes Estates
Ramblewood
Riverton
Roebling
Vincentown
Wrightstown
Climate data from the nearest NOAA station, Atlantic City Intl Ap, Nj (11.6 mi from New Gretna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.