North Caldwell, NJ Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 mph NE | 0% |
| Tonight | 66°F | Mostly Cloudy | 3 mph W | 3% |
| Wednesday | 81°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph E | 39% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 34% |
| Thursday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 8 mph SW | 44% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 mph SW | 44% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph SW | 45% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 6 mph W | 43% |
| Saturday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph W | 36% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 36% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 15% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph SW | 15% |
| Monday | 88°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Monday Night | 71°F | Partly Cloudy | 6 to 9 mph W | 12% |
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 Aug 4, 2026.