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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.

This Afternoon
73°F
Partly Sunny
Partly sunny, with a high near 73. East wind around 10 mph.

7-day forecast for New Gretna

WhenTempForecastWindPrecip
This Afternoon 73°F Partly Sunny 10 mph E 3%
Tonight 60°F Partly Cloudy 5 to 10 mph E 4%
Sunday 77°F Partly Sunny then Slight Chance Rain Showers 5 to 15 mph S 21%
Sunday Night 60°F Showers And Thunderstorms Likely 5 to 10 mph W 69%
Monday 70°F Rain Showers Likely 10 to 15 mph NE 65%
Monday Night 55°F Chance Rain Showers 10 to 15 mph NE 36%
Tuesday 66°F Chance Rain Showers 15 to 20 mph NE 40%
Tuesday Night 54°F Chance Rain Showers 15 to 20 mph NE 37%
Wednesday 66°F Chance Rain Showers 15 to 25 mph NE 35%
Wednesday Night 54°F Chance Rain Showers 15 to 20 mph NE 38%
Thursday 65°F Chance Rain Showers 15 to 20 mph NE 41%
Thursday Night 53°F Chance Rain Showers 10 to 20 mph N 39%
Friday 67°F Chance Rain Showers 15 mph N 33%
Friday Night 51°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

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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 19, 2026.