Dorchester, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dorchester, a community in Cumberland County, New Jersey.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind around 5 mph.
7-day forecast for Dorchester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 mph E | 1% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 24% |
| Wednesday | 85°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SE | 54% |
| Wednesday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 39% |
| Thursday | 89°F | Mostly Sunny | 5 to 10 mph S | 13% |
| Thursday Night | 75°F | Mostly Clear | 5 to 10 mph SW | 13% |
| Friday | 89°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 19% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 5 mph SW | 40% |
| Saturday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 27% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 27% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 20% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 20% |
| Monday | 90°F | Sunny | 0 to 5 mph SW | 6% |
| Monday Night | 73°F | Partly Cloudy | 0 to 5 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov) for Dorchester (39.270, -74.971). Updated through the day.
Growing snapshot for Dorchester
Last spring frost
Apr 24
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
7b
More local growing data for Dorchester: nearby ZIP 08327 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Arrowhead Lake
Bridgeton
Carlls Corner
Cedarville
Centre Grove
Cumberland-Hesstown
Deerfield Street
Delmont
Dividing Creek
Dutch Neck
Fairton
Fortescue
Gandys Beach
Gouldtown
Greenwich
Heislerville
Lakeside-Beebe Run
Laurel Heights
Laurel Lake
Leesburg
Marlboro
Mauricetown
Millville
Money Island
Newport
Othello
Port Elizabeth
Port Norris
Roadstown
Rosenhayn
Climate data from the nearest NOAA station, Belleplain Stn Forest, Nj (5.7 mi from Dorchester). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.