Northfield, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Northfield, a city in Atlantic County, New Jersey.
Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. Northeast wind 5 to 10 mph.
7-day forecast for Northfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Tonight | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 18% |
| Wednesday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SE | 31% |
| Wednesday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 20% |
| Thursday | 89°F | Sunny | 5 to 10 mph S | 11% |
| 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 | 18% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 38% |
| Saturday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 26% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 26% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 17% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 17% |
| Monday | 90°F | Sunny | 5 to 10 mph SW | 6% |
| Monday Night | 73°F | Partly Cloudy | 5 to 10 mph W | 11% |
Forecast source: National Weather Service (api.weather.gov) for Northfield (39.373, -74.554). Updated through the day.
Growing snapshot for Northfield
Last spring frost
Mar 26
First fall frost
Nov 22
Growing season
243 days
Hardiness zone
7b
More local growing data for Northfield: nearby ZIP 08225 weather · frost dates · planting calendar · New Jersey frost dates
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Climate data from the nearest NOAA station, Margate, Nj (2.2 mi from Northfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.