Newton, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newton, a town in Sussex County, New Jersey.
Today
82°F
Sunny
Sunny, with a high near 82. Wind around 0 mph.
7-day forecast for Newton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 0 mph | 0% |
| Tonight | 61°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 81°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 37% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 54% |
| Thursday | 85°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 74% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph W | 74% |
| Friday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 57% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 mph | 57% |
| Saturday | 84°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph W | 56% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 56% |
| Sunday | 85°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 68°F | Mostly Clear | 0 mph | 12% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov) for Newton (41.051, -74.754). Updated through the day.
Growing snapshot for Newton
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
176 days
Hardiness zone
6b
More local growing data for Newton: nearby ZIP 07860 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Andover
Branchville
Byram Center
Crandon Lakes
Franklin
Hamburg
Highland Lakes
Hopatcong
Lake Mohawk
Layton
Ogdensburg
Ross Corner
Stanhope
Sussex
Vernon Center
Vernon Valley
Climate data from the nearest NOAA station, Newton, Nj (2.3 mi from Newton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.