Swedesboro, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Swedesboro, a borough 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 Swedesboro
| 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 | 10% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 72% |
| Wednesday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph S | 63% |
| Thursday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| 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 | 33% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 mph SW | 43% |
| Saturday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 36% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 36% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 17% |
| Monday | 90°F | Sunny | 5 to 10 mph W | 9% |
| Monday Night | 73°F | Partly Cloudy | 5 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov) for Swedesboro (39.746, -75.311). Updated through the day.
Growing snapshot for Swedesboro
Last spring frost
Mar 30
First fall frost
Nov 16
Growing season
230 days
Hardiness zone
7b
More local growing data for Swedesboro: nearby ZIP 08085 weather · frost dates · planting calendar · New Jersey frost dates
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Climate data from the nearest NOAA station, Marcus Hook, Pa (7.1 mi from Swedesboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.