Hopewell, NJ Weather & Growing Conditions
This Afternoon
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 67 in the afternoon. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 5 mph S | 1% |
| Tonight | 56°F | Mostly Cloudy | 5 mph S | 1% |
| Thursday | 72°F | Chance Light Rain | 5 to 10 mph SW | 50% |
| Thursday Night | 59°F | Light Rain | 0 to 5 mph SW | 80% |
| Friday | 69°F | Light Rain | 0 mph | 80% |
| Friday Night | 50°F | Light Rain | 0 to 5 mph NW | 79% |
| Saturday | 64°F | Mostly Sunny | 5 mph W | 8% |
| Saturday Night | 43°F | Slight Chance Light Rain | 5 mph W | 15% |
| Sunday | 59°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 39°F | Partly Cloudy | 5 mph W | 6% |
| Monday | 57°F | Sunny | 5 to 10 mph W | 7% |
| Monday Night | 37°F | Mostly Clear | 5 mph W | 6% |
| Tuesday | 61°F | Sunny | 5 to 10 mph W | 4% |
| Tuesday Night | 38°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hopewell, NJ
Last spring frost
Apr 16
First fall frost
Oct 27
Growing season
192 days
Hardiness zone
7a
Explore more for Hopewell, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Wertsville 4 Ne, Nj (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.