Harrison, NJ Weather & Growing Conditions
Overnight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. North wind around 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Partly Cloudy | 12 mph N | 0% |
| Saturday | 72°F | Partly Sunny | 7 to 12 mph NE | 0% |
| Saturday Night | 61°F | Mostly Cloudy then Chance Rain Showers | 8 mph SE | 27% |
| Sunday | 71°F | Showers And Thunderstorms | 6 to 12 mph SE | 83% |
| Sunday Night | 62°F | Showers And Thunderstorms | 2 to 12 mph NW | 83% |
| Monday | 68°F | Chance Rain Showers | 9 to 13 mph N | 42% |
| Monday Night | 57°F | Chance Rain Showers | 8 to 13 mph NE | 33% |
| Tuesday | 64°F | Chance Rain Showers | 14 mph NE | 30% |
| Tuesday Night | 54°F | Chance Rain Showers | 14 mph NE | 30% |
| Wednesday | 63°F | Slight Chance Rain Showers | 16 mph NE | 24% |
| Wednesday Night | 54°F | Chance Rain Showers | 15 mph NE | 36% |
| Thursday | 63°F | Chance Rain Showers | 16 mph NE | 35% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 10 to 14 mph N | 35% |
| Friday | 68°F | Chance Rain Showers | 13 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrison, NJ
Last spring frost
Apr 4
First fall frost
Nov 6
Growing season
216 days
Hardiness zone
7b
Explore more for Harrison, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Harrison, Nj (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.