Harman US

Hillsdale, NJ Weather & Growing Conditions

Tonight
58°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy. Low around 58, with temperatures rising to around 60 overnight. Southeast wind around 5 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 58°F Mostly Cloudy then Slight Chance Rain Showers 5 mph SE 16%
Sunday 70°F Rain Showers then Rain 5 to 8 mph SE 92%
Sunday Night 56°F Rain then Rain Showers Likely 3 to 10 mph NW 85%
Monday 68°F Partly Sunny then Slight Chance Rain Showers 7 to 10 mph NE 19%
Monday Night 52°F Chance Rain Showers 8 mph NE 28%
Tuesday 64°F Chance Rain Showers 8 mph NE 28%
Tuesday Night 50°F Chance Rain Showers then Mostly Cloudy 9 mph NE 25%
Wednesday 65°F Partly Sunny 9 to 13 mph NE 9%
Wednesday Night 50°F Slight Chance Rain Showers 12 mph NE 19%
Thursday 64°F Chance Rain Showers 13 mph NE 27%
Thursday Night 50°F Chance Rain Showers 13 mph NE 35%
Friday 65°F Chance Rain Showers 12 to 16 mph N 38%
Friday Night 52°F Chance Rain Showers 10 to 15 mph N 36%
Saturday 69°F Chance Rain Showers 13 mph N 29%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Hillsdale, NJ

Last spring frost
Apr 3
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
7a

Explore more for Hillsdale, NJ: full frost dates · planting calendar · New Jersey frost dates

Climate data from the nearest NOAA station, Teterboro Ap, Nj (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.