Hewitt, NJ Weather & Growing Conditions
This Afternoon
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 66 in the afternoon. South wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 5 to 8 mph S | 0% |
| Tonight | 55°F | Mostly Cloudy | 2 to 10 mph S | 0% |
| Thursday | 69°F | Chance Rain Showers | 7 to 10 mph S | 44% |
| Thursday Night | 58°F | Rain Showers Likely | 3 to 8 mph SW | 63% |
| Friday | 67°F | Rain Showers Likely | 3 mph NW | 69% |
| Friday Night | 50°F | Chance Rain Showers | 5 mph N | 42% |
| Saturday | 59°F | Mostly Sunny then Slight Chance Rain Showers | 7 mph NW | 21% |
| Saturday Night | 43°F | Chance Light Rain | 5 to 8 mph W | 25% |
| Sunday | 55°F | Mostly Sunny | 3 to 8 mph NW | 12% |
| Sunday Night | 40°F | Partly Cloudy | 3 to 7 mph W | 4% |
| Monday | 54°F | Sunny | 6 to 9 mph W | 10% |
| Monday Night | 38°F | Mostly Clear | 6 mph W | 10% |
| Tuesday | 57°F | Sunny | 8 mph SW | 4% |
| Tuesday Night | 39°F | Mostly Clear | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hewitt, NJ
Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
6b
Explore more for Hewitt, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Wanaque Raymond Dam, Nj (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.