South Dennis, NJ Weather & Growing Conditions
Today
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 66 in the afternoon. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 5 mph S | 1% |
| Tonight | 59°F | Partly Cloudy | 5 mph S | 2% |
| Thursday | 72°F | Mostly Cloudy | 5 to 10 mph S | 12% |
| Thursday Night | 60°F | Light Rain | 5 mph S | 89% |
| Friday | 69°F | Rain | 0 to 5 mph S | 96% |
| Friday Night | 50°F | Rain | 0 to 5 mph W | 96% |
| Saturday | 64°F | Mostly Sunny | 5 to 10 mph NW | 10% |
| Saturday Night | 40°F | Partly Cloudy | 5 mph NW | 5% |
| Sunday | 60°F | Mostly Sunny | 5 to 10 mph NW | 5% |
| Sunday Night | 39°F | Mostly Clear | 5 mph W | 7% |
| Monday | 60°F | Sunny | 10 to 15 mph NW | 7% |
| Monday Night | 37°F | Mostly Clear | 5 mph W | 5% |
| Tuesday | 62°F | Sunny | 5 to 10 mph W | 4% |
| Tuesday Night | 38°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Dennis, NJ
Last spring frost
Apr 24
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
7b
Explore more for South Dennis, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Belleplain Stn Forest, Nj (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.