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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.