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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

WhenTempForecastWindPrecip
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.