New Gretna, NJ Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy | 0 to 5 mph E | 9% |
| Wednesday | 85°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SE | 44% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph S | 36% |
| Thursday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 19% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph SW | 19% |
| Friday | 91°F | Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 0 to 10 mph SW | 40% |
| Saturday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 10 mph SW | 33% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 33% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 18% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 18% |
| Monday | 92°F | Sunny | 0 to 10 mph W | 7% |
| Monday Night | 72°F | Partly Cloudy | 0 to 10 mph W | 11% |
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 Aug 4, 2026.