Brass Castle, NJ Weather & Growing Conditions
Overnight
48°F
Mostly Clear
Mostly clear, with a low around 48. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 72°F | Sunny | 0 to 5 mph S | 1% |
| Wednesday Night | 56°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph S | 3% |
| Thursday | 70°F | Light Rain Likely | 5 mph S | 70% |
| Thursday Night | 59°F | Light Rain | 0 mph | 82% |
| Friday | 69°F | Light Rain Likely | 0 mph | 65% |
| Friday Night | 49°F | Light Rain Likely | 0 mph | 64% |
| Saturday | 64°F | Mostly Sunny then Slight Chance Light Rain | 0 to 5 mph NW | 19% |
| Saturday Night | 42°F | Slight Chance Light Rain | 5 mph W | 19% |
| Sunday | 58°F | Mostly Sunny | 5 mph NW | 6% |
| Sunday Night | 38°F | Partly Cloudy | 0 to 5 mph W | 5% |
| Monday | 57°F | Sunny | 5 to 10 mph W | 6% |
| Monday Night | 36°F | Mostly Clear | 0 to 5 mph W | 5% |
| Tuesday | 61°F | Sunny | 5 to 10 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brass Castle, NJ
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
168 days
Hardiness zone
6b
Explore more for Brass Castle, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Belvidere Brg, Nj (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.