South Dennis, NJ Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Tonight | 69°F | Mostly Cloudy then Chance Rain Showers | 0 to 5 mph E | 25% |
| Wednesday | 85°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SE | 35% |
| Wednesday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 18% |
| Thursday | 88°F | Sunny | 5 to 10 mph S | 9% |
| Thursday Night | 75°F | Mostly Clear | 5 to 10 mph SW | 11% |
| Friday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 5 mph SW | 39% |
| Saturday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 24% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 18% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 18% |
| Monday | 90°F | Sunny | 5 to 10 mph SW | 6% |
| Monday Night | 73°F | Partly Cloudy | 5 mph SW | 13% |
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 Aug 4, 2026.