North Caldwell, NJ Weather & Growing Conditions
Overnight
56°F
Mostly Cloudy
Mostly cloudy. Low around 56, with temperatures rising to around 59 overnight. Northeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Cloudy | 7 mph NE | 0% |
| Saturday | 71°F | Partly Sunny | 7 mph E | 1% |
| Saturday Night | 58°F | Mostly Cloudy then Slight Chance Light Rain | 6 mph SE | 17% |
| Sunday | 70°F | Rain | 7 mph SE | 94% |
| Sunday Night | 56°F | Rain | 3 to 9 mph SE | 77% |
| Monday | 66°F | Chance Light Rain then Partly Sunny | 9 to 13 mph N | 29% |
| Monday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 10 mph NE | 24% |
| Tuesday | 61°F | Chance Rain Showers | 12 mph NE | 30% |
| Tuesday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 10 to 14 mph NE | 26% |
| Wednesday | 62°F | Slight Chance Rain Showers | 16 mph NE | 21% |
| Wednesday Night | 50°F | Chance Rain Showers | 15 mph NE | 30% |
| Thursday | 61°F | Chance Rain Showers | 14 to 17 mph NE | 32% |
| Thursday Night | 49°F | Chance Rain Showers | 15 mph N | 37% |
| Friday | 64°F | Chance Rain Showers | 12 to 15 mph N | 34% |
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 Sep 19, 2026.