Hewitt, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hewitt, a community in Orange County, New Jersey.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind around 3 mph.
7-day forecast for Hewitt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 3 mph E | 0% |
| Tonight | 63°F | Mostly Cloudy | 2 mph SW | 2% |
| Wednesday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 3 mph S | 32% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 2 mph S | 45% |
| Thursday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 60% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely then Partly Cloudy | 5 mph SW | 56% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 48% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 3 mph W | 45% |
| Saturday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph W | 43% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 3 mph W | 43% |
| Sunday | 86°F | Mostly Sunny | 1 to 5 mph W | 12% |
| Sunday Night | 70°F | Mostly Clear | 3 mph SW | 12% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 16% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov) for Hewitt (41.176, -74.325). Updated through the day.
Growing snapshot for Hewitt
Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
6b
More local growing data for Hewitt: nearby ZIP 10979 weather · frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Wanaque Raymond Dam, Nj (9.6 mi from Hewitt). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.