Perth Amboy, NJ Weather & Growing Conditions
Tonight
61°F
Mostly Cloudy
Mostly cloudy, with a low around 61. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy | 5 mph SE | 6% |
| Sunday | 74°F | Rain Showers | 5 to 10 mph SE | 79% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 73% |
| Monday | 69°F | Chance Rain Showers | 5 to 10 mph NE | 28% |
| Monday Night | 55°F | Chance Rain Showers | 5 to 10 mph NE | 29% |
| Tuesday | 65°F | Chance Rain Showers | 10 mph NE | 32% |
| Tuesday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 32% |
| Wednesday | 65°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Wednesday Night | 53°F | Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Thursday | 65°F | Chance Rain Showers | 15 mph NE | 30% |
| Thursday Night | 52°F | Chance Rain Showers | 15 mph NE | 36% |
| Friday | 66°F | Chance Rain Showers | 10 to 15 mph N | 37% |
| Friday Night | 53°F | Chance Rain Showers | 10 to 15 mph N | 37% |
| Saturday | 69°F | Chance Rain Showers | 10 to 15 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Perth Amboy, NJ
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
193 days
Hardiness zone
7b
Explore more for Perth Amboy, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, New Brunswick 3 Se, Nj (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.