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 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 3 to 7 mph S | 0% |
| Tonight | 59°F | Mostly Cloudy | 2 to 6 mph S | 0% |
| Thursday | 72°F | Chance Rain Showers | 6 to 9 mph S | 43% |
| Thursday Night | 61°F | Rain Showers Likely | 3 to 7 mph SW | 60% |
| Friday | 71°F | Rain Showers | 3 mph S | 80% |
| Friday Night | 53°F | Chance Rain Showers | 5 mph N | 54% |
| Saturday | 64°F | Mostly Sunny then Slight Chance Rain Showers | 8 mph NW | 16% |
| Saturday Night | 45°F | Slight Chance Light Rain | 8 mph W | 22% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 9 mph NW | 15% |
| Sunday Night | 41°F | Partly Cloudy | 8 mph W | 4% |
| Monday | 57°F | Sunny | 9 to 13 mph W | 9% |
| Monday Night | 40°F | Mostly Clear | 8 mph W | 9% |
| Tuesday | 60°F | Sunny | 8 to 12 mph W | 4% |
| Tuesday Night | 41°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 15
First fall frost
Oct 28
Growing season
195 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, Little Falls, Nj (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.