Harrison, NJ Weather & Growing Conditions
Overnight
60°F
Mostly Cloudy
Mostly cloudy. Low around 60, with temperatures rising to around 62 overnight. Northeast wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Cloudy | 9 mph NE | 0% |
| Saturday | 73°F | Partly Sunny | 9 mph E | 1% |
| Saturday Night | 61°F | Mostly Cloudy | 8 mph SE | 13% |
| Sunday | 72°F | Rain | 6 to 9 mph SE | 91% |
| Sunday Night | 59°F | Rain | 5 to 10 mph S | 76% |
| Monday | 68°F | Chance Light Rain then Mostly Cloudy | 9 to 13 mph NE | 34% |
| Monday Night | 54°F | Mostly Cloudy then Chance Rain Showers | 7 to 10 mph NE | 25% |
| Tuesday | 64°F | Chance Rain Showers | 13 mph NE | 30% |
| Tuesday Night | 52°F | Chance Rain Showers | 14 mph NE | 26% |
| Wednesday | 64°F | Slight Chance Rain Showers | 16 mph NE | 22% |
| Wednesday Night | 52°F | Chance Rain Showers | 16 mph NE | 29% |
| Thursday | 63°F | Chance Rain Showers | 15 to 20 mph NE | 33% |
| Thursday Night | 52°F | Chance Rain Showers | 13 to 18 mph N | 36% |
| Friday | 66°F | Chance Rain Showers | 15 mph N | 35% |
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.