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Hammonton, NJ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hammonton, a town in Atlantic County, New Jersey.

Tonight
60°F
Mostly Cloudy
Mostly cloudy, with a low around 60. Southeast wind 0 to 5 mph.

7-day forecast for Hammonton

WhenTempForecastWindPrecip
Tonight 60°F Mostly Cloudy 0 to 5 mph SE 4%
Sunday 78°F Chance Rain Showers 5 to 10 mph SE 33%
Sunday Night 60°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 to 5 mph W 62%
Monday 71°F Chance Rain Showers 5 to 10 mph NE 39%
Monday Night 55°F Chance Rain Showers 5 mph NE 39%
Tuesday 67°F Chance Rain Showers 5 to 10 mph NE 37%
Tuesday Night 53°F Chance Rain Showers 10 mph NE 37%
Wednesday 65°F Chance Rain Showers 10 to 15 mph NE 26%
Wednesday Night 54°F Chance Rain Showers 10 to 15 mph NE 29%
Thursday 64°F Chance Rain Showers 15 mph NE 32%
Thursday Night 51°F Chance Rain Showers 5 to 15 mph N 37%
Friday 66°F Chance Rain Showers 10 to 15 mph N 36%
Friday Night 51°F Chance Rain Showers 5 to 10 mph N 34%
Saturday 70°F Chance Rain Showers 5 to 10 mph N 27%

Forecast source: National Weather Service (api.weather.gov) for Hammonton (39.661, -74.767). Updated through the day.

Growing snapshot for Hammonton

Last spring frost
Apr 14
First fall frost
Oct 27
Growing season
196 days
Hardiness zone
7a

More local growing data for Hammonton: nearby ZIP 08037 weather · frost dates · planting calendar · New Jersey frost dates

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Climate data from the nearest NOAA station, Hammonton 1 Ne, Nj (1.9 mi from Hammonton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.