Harman US

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

WhenTempForecastWindPrecip
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.