Sussex, NJ Weather & Growing Conditions
Today
71°F
Sunny
Sunny, with a high near 71. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Sunny | 5 to 10 mph SW | 1% |
| Tonight | 55°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph SW | 4% |
| Thursday | 68°F | Light Rain Likely | 5 to 10 mph SW | 71% |
| Thursday Night | 57°F | Light Rain Likely | 0 to 5 mph SW | 68% |
| Friday | 68°F | Light Rain Likely | 0 mph | 60% |
| Friday Night | 47°F | Chance Light Rain | 0 mph | 53% |
| Saturday | 62°F | Mostly Sunny then Chance Light Rain | 0 to 5 mph NW | 29% |
| Saturday Night | 41°F | Chance Light Rain | 5 to 10 mph W | 29% |
| Sunday | 56°F | Mostly Sunny | 5 to 10 mph NW | 13% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 5% |
| Monday | 56°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Monday Night | 34°F | Mostly Clear | 5 mph W | 10% |
| Tuesday | 60°F | Mostly Sunny | 5 to 10 mph SW | 4% |
| Tuesday Night | 34°F | Mostly Clear | 5 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sussex, NJ
Last spring frost
Apr 30
First fall frost
Oct 11
Growing season
163 days
Hardiness zone
6b
Explore more for Sussex, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Sussex 3 Wnw, Nj (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.