Sussex, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sussex, a borough in Sussex County, New Jersey.
This Afternoon
72°F
Partly Sunny
Partly sunny, with a high near 72. Wind around 0 mph.
7-day forecast for Sussex
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Partly Sunny | 0 mph | 0% |
| Tonight | 54°F | Mostly Cloudy then Chance Rain Showers | 0 mph | 40% |
| Sunday | 68°F | Rain Showers | 5 mph SE | 98% |
| Sunday Night | 53°F | Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph NW | 84% |
| Monday | 67°F | Mostly Sunny | 5 to 10 mph NE | 8% |
| Monday Night | 47°F | Mostly Cloudy then Chance Rain Showers | 5 mph NE | 29% |
| Tuesday | 63°F | Chance Rain Showers | 5 mph NE | 29% |
| Tuesday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 25% |
| Wednesday | 63°F | Mostly Cloudy | 10 mph NE | 8% |
| Wednesday Night | 45°F | Slight Chance Rain Showers | 10 mph NE | 20% |
| Thursday | 61°F | Chance Rain Showers | 10 mph NE | 25% |
| Thursday Night | 46°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Friday | 64°F | Chance Rain Showers | 10 to 15 mph N | 32% |
| Friday Night | 47°F | Chance Rain Showers | 10 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov) for Sussex (41.209, -74.608). Updated through the day.
Growing snapshot for Sussex
Last spring frost
Apr 30
First fall frost
Oct 11
Growing season
163 days
Hardiness zone
6b
More local growing data for Sussex: nearby ZIP 07461 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Andover
Branchville
Byram Center
Crandon Lakes
Franklin
Hamburg
Highland Lakes
Hopatcong
Lake Mohawk
Layton
Newton
Ogdensburg
Ross Corner
Stanhope
Vernon Center
Vernon Valley
Climate data from the nearest NOAA station, Sussex 3 Wnw, Nj (3.2 mi from Sussex). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.