Newton, NJ Weather & Growing Conditions
Today
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 66 in the afternoon. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 0 to 5 mph S | 1% |
| Tonight | 55°F | Mostly Cloudy | 0 to 5 mph S | 5% |
| Thursday | 69°F | Light Rain Likely | 5 mph S | 72% |
| Thursday Night | 58°F | Light Rain | 0 mph | 76% |
| Friday | 69°F | Light Rain Likely | 0 mph | 60% |
| Friday Night | 47°F | Light Rain Likely | 0 mph | 56% |
| Saturday | 63°F | Mostly Sunny then Chance Light Rain | 0 to 5 mph NW | 27% |
| Saturday Night | 40°F | Chance Light Rain | 0 to 5 mph W | 27% |
| Sunday | 56°F | Mostly Sunny | 0 to 5 mph NW | 9% |
| Sunday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 5% |
| Monday | 56°F | Sunny | 5 to 10 mph W | 10% |
| Monday Night | 33°F | Mostly Clear | 0 mph | 8% |
| Tuesday | 61°F | Sunny | 5 mph SW | 5% |
| Tuesday Night | 34°F | Mostly Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Newton, NJ
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
176 days
Hardiness zone
6b
Explore more for Newton, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Newton, Nj (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.