Colonia, NJ Weather & Growing Conditions
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 2 mph SW | 1% |
| Wednesday | 74°F | Sunny | 1 to 6 mph SW | 2% |
| Wednesday Night | 58°F | Partly Cloudy | 5 mph S | 1% |
| Thursday | 73°F | Chance Light Rain | 3 to 9 mph S | 38% |
| Thursday Night | 62°F | Light Rain Likely | 2 to 6 mph SW | 65% |
| Friday | 70°F | Light Rain | 3 mph E | 84% |
| Friday Night | 53°F | Light Rain | 3 mph NW | 84% |
| Saturday | 65°F | Mostly Sunny | 5 to 8 mph NW | 14% |
| Saturday Night | 44°F | Slight Chance Light Rain | 7 mph W | 17% |
| Sunday | 61°F | Mostly Sunny | 9 mph W | 10% |
| Sunday Night | 40°F | Partly Cloudy | 7 mph W | 5% |
| Monday | 59°F | Sunny | 7 to 12 mph W | 9% |
| Monday Night | 40°F | Mostly Clear | 7 mph W | 8% |
| Tuesday | 62°F | Sunny | 7 to 12 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Colonia, NJ
Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
198 days
Hardiness zone
7a
Explore more for Colonia, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Plainfield, Nj (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.