North Caldwell, NJ Weather & Growing Conditions
Today
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 70 in the afternoon. South wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 2 to 7 mph S | 0% |
| Tonight | 58°F | Mostly Cloudy | 2 to 6 mph S | 0% |
| Thursday | 72°F | Chance Rain Showers | 6 to 10 mph SW | 43% |
| Thursday Night | 60°F | Rain Showers Likely | 3 to 7 mph SW | 60% |
| Friday | 71°F | Rain Showers | 3 mph S | 79% |
| Friday Night | 52°F | Chance Rain Showers | 5 mph N | 52% |
| Saturday | 63°F | Mostly Sunny then Slight Chance Rain Showers | 8 mph NW | 16% |
| Saturday Night | 44°F | Slight Chance Light Rain | 8 mph W | 22% |
| Sunday | 59°F | Mostly Sunny | 9 mph NW | 12% |
| Sunday Night | 40°F | Partly Cloudy | 8 mph W | 4% |
| Monday | 57°F | Sunny | 8 to 13 mph W | 9% |
| Monday Night | 39°F | Mostly Clear | 8 mph W | 9% |
| Tuesday | 60°F | Sunny | 8 to 12 mph W | 4% |
| Tuesday Night | 40°F | Mostly Clear | 8 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for North Caldwell, NJ
Last spring frost
Apr 18
First fall frost
Oct 24
Growing season
187 days
Hardiness zone
7a
Explore more for North Caldwell, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Essex Fells Service Bldg, Nj (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.