Perth Amboy, NJ Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy | 0 to 5 mph SE | 1% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 47% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 29% |
| Thursday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SW | 38% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 5 mph SW | 38% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 43% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 mph W | 43% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph W | 36% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 36% |
| Sunday | 89°F | Mostly Sunny | 5 mph W | 13% |
| Sunday Night | 73°F | Mostly Clear | 5 mph W | 13% |
| Monday | 91°F | Sunny | 5 to 10 mph W | 8% |
| Monday Night | 72°F | Partly Cloudy | 5 to 10 mph W | 13% |
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 Aug 4, 2026.