Harrison, NJ Weather & Growing Conditions
Tonight
52°F
Partly Cloudy then Patchy Fog
Patchy fog after 3am. Partly cloudy, with a low around 52. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Partly Cloudy then Patchy Fog | 3 mph SW | 2% |
| Wednesday | 75°F | Patchy Fog then Sunny | 2 to 10 mph SW | 3% |
| Wednesday Night | 59°F | Partly Cloudy | 7 mph S | 2% |
| Thursday | 73°F | Chance Rain Showers | 5 to 9 mph S | 37% |
| Thursday Night | 62°F | Rain Showers | 3 to 7 mph SW | 81% |
| Friday | 69°F | Showers And Thunderstorms | 5 mph S | 83% |
| Friday Night | 56°F | Showers And Thunderstorms | 5 mph NW | 83% |
| Saturday | 66°F | Chance Rain Showers | 6 to 9 mph NW | 47% |
| Saturday Night | 47°F | Slight Chance Rain Showers | 8 mph NW | 15% |
| Sunday | 61°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph W | 15% |
| Sunday Night | 44°F | Partly Cloudy then Slight Chance Light Rain | 6 to 9 mph W | 16% |
| Monday | 60°F | Slight Chance Light Rain | 9 to 14 mph NW | 22% |
| Monday Night | 43°F | Slight Chance Light Rain | 10 mph W | 22% |
| Tuesday | 62°F | Slight Chance Light Rain then Mostly Sunny | 10 to 15 mph W | 17% |
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 Nov 4, 2026.