Sewell, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sewell, a community in Gloucester County, New Jersey.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind 0 to 5 mph.
7-day forecast for Sewell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy | 0 to 5 mph E | 9% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 63% |
| Wednesday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph S | 61% |
| Thursday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 21% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 23% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 34% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 mph SW | 42% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 37% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 37% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 18% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 18% |
| Monday | 90°F | Mostly Sunny | 5 to 10 mph W | 8% |
| Monday Night | 73°F | Partly Cloudy | 5 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov) for Sewell (39.769, -75.145). Updated through the day.
Growing snapshot for Sewell
Last spring frost
Apr 8
First fall frost
Nov 1
Growing season
205 days
Hardiness zone
7b
More local growing data for Sewell: nearby ZIP 08080 weather · frost dates · planting calendar · New Jersey frost dates
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Climate data from the nearest NOAA station, Glassboro 2 Ne, Nj (2.1 mi from Sewell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.