New Gretna, NJ Weather & Growing Conditions
This Afternoon
73°F
Partly Sunny
Partly sunny, with a high near 73. East wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Partly Sunny | 10 mph E | 2% |
| Tonight | 61°F | Mostly Cloudy | 5 mph E | 3% |
| Sunday | 78°F | Chance Rain Showers | 5 to 10 mph SE | 25% |
| Sunday Night | 61°F | Rain Showers Likely | 0 to 10 mph W | 55% |
| Monday | 71°F | Chance Rain Showers | 5 to 10 mph NE | 43% |
| Monday Night | 57°F | Chance Rain Showers | 5 to 10 mph NE | 43% |
| Tuesday | 68°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Tuesday Night | 55°F | Chance Rain Showers | 15 mph NE | 37% |
| Wednesday | 66°F | Chance Rain Showers | 15 to 20 mph NE | 27% |
| Wednesday Night | 56°F | Chance Rain Showers | 15 to 20 mph NE | 33% |
| Thursday | 66°F | Chance Rain Showers | 15 mph NE | 39% |
| Thursday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 43% |
| Friday | 67°F | Chance Rain Showers | 15 mph N | 39% |
| Friday Night | 52°F | Chance Rain Showers | 5 to 15 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Gretna, NJ
Last spring frost
Apr 18
First fall frost
Oct 29
Growing season
190 days
Hardiness zone
7a
Explore more for New Gretna, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Atlantic City Intl Ap, Nj (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.