Glassboro, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glassboro, a borough in Gloucester County, New Jersey.
Overnight
66°F
Mostly Cloudy
Mostly cloudy, with a low around 66. Northeast wind around 5 mph.
7-day forecast for Glassboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Cloudy | 5 mph NE | 0% |
| Tuesday | 84°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 67°F | Mostly Cloudy | 0 to 5 mph E | 10% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 68% |
| Wednesday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph S | 57% |
| Thursday | 87°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 | 22% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 32% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SW | 42% |
| Saturday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 36% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 36% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 18% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 18% |
| Monday | 89°F | Sunny | 5 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov) for Glassboro (39.700, -75.111). Updated through the day.
Growing snapshot for Glassboro
Last spring frost
Apr 8
First fall frost
Nov 1
Growing season
205 days
Hardiness zone
7b
More local growing data for Glassboro: nearby ZIP 08028 weather · frost dates · planting calendar · New Jersey frost dates
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Climate data from the nearest NOAA station, Glassboro 2 Ne, Nj (3.4 mi from Glassboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.