Swedesboro, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Swedesboro, a borough in Gloucester County, New Jersey.
This Afternoon
77°F
Partly Sunny
Partly sunny, with a high near 77. East wind around 5 mph.
7-day forecast for Swedesboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Partly Sunny | 5 mph E | 1% |
| Tonight | 63°F | Mostly Cloudy | 5 mph SE | 9% |
| Sunday | 79°F | Rain Showers Likely | 5 to 10 mph S | 55% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 64% |
| Monday | 71°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph NE | 33% |
| Monday Night | 58°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Tuesday | 67°F | Chance Rain Showers | 10 mph NE | 39% |
| Tuesday Night | 55°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Wednesday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 26% |
| Wednesday Night | 56°F | Chance Rain Showers | 15 mph NE | 25% |
| Thursday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Thursday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Friday | 67°F | Chance Rain Showers | 10 to 15 mph N | 32% |
| Friday Night | 54°F | Chance Rain Showers | 5 to 10 mph N | 32% |
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 Sep 19, 2026.