Grenloch, NJ Weather & Growing Conditions
Tonight
62°F
Mostly Cloudy
Mostly cloudy, with a low around 62. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy | 5 mph N | 1% |
| Saturday | 75°F | Partly Sunny | 5 to 10 mph E | 2% |
| Saturday Night | 63°F | Patchy Fog | 5 to 10 mph E | 9% |
| Sunday | 78°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 66% |
| Sunday Night | 64°F | Showers And Thunderstorms | 5 to 10 mph SW | 82% |
| Monday | 71°F | Chance Rain Showers | 10 mph NE | 50% |
| Monday Night | 59°F | Chance Rain Showers | 5 to 10 mph NE | 32% |
| Tuesday | 66°F | Chance Rain Showers | 10 mph NE | 36% |
| Tuesday Night | 56°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Wednesday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 39% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 37% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 33% |
| Friday | 68°F | Slight Chance Rain Showers | 5 to 10 mph N | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grenloch, NJ
Last spring frost
Apr 8
First fall frost
Nov 1
Growing season
205 days
Explore more for Grenloch, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Glassboro 2 Ne, Nj (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.