Helmetta, NJ Weather & Growing Conditions
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 5 mph E | 1% |
| Tonight | 57°F | Mostly Cloudy | 0 to 5 mph E | 4% |
| Sunday | 74°F | Rain Showers | 5 mph SE | 79% |
| Sunday Night | 57°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph W | 71% |
| Monday | 68°F | Chance Rain Showers | 5 to 10 mph NE | 42% |
| Monday Night | 52°F | Chance Rain Showers | 5 to 10 mph NE | 28% |
| Tuesday | 64°F | Chance Rain Showers | 10 mph NE | 33% |
| Tuesday Night | 51°F | Chance Rain Showers | 10 mph NE | 32% |
| Wednesday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 26% |
| Wednesday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Thursday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Thursday Night | 50°F | Chance Rain Showers | 10 mph NE | 34% |
| Friday | 66°F | Chance Rain Showers | 10 mph N | 33% |
| Friday Night | 50°F | Chance Rain Showers | 5 to 10 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Helmetta, NJ
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
193 days
Hardiness zone
7a
Explore more for Helmetta, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, New Brunswick 3 Se, Nj (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.