Grenloch, NJ Weather & Growing Conditions
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. East wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy | 0 to 5 mph E | 8% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 63% |
| Wednesday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph S | 61% |
| Thursday | 89°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 to 10 mph SW | 24% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 34% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 mph SW | 42% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 37% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 37% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 18% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 18% |
| Monday | 90°F | Mostly Sunny | 5 to 10 mph W | 7% |
| Monday Night | 73°F | Partly Cloudy | 5 mph W | 11% |
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 Aug 4, 2026.