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Succasunna, NJ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Succasunna, a community in Morris County, New Jersey.

Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. Northeast wind around 0 mph.

7-day forecast for Succasunna

WhenTempForecastWindPrecip
Today 82°F Mostly Sunny 0 mph 0%
Tonight 62°F Mostly Cloudy 0 mph 1%
Wednesday 81°F Partly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SE 40%
Wednesday Night 68°F Chance Showers And Thunderstorms 0 mph 52%
Thursday 86°F Showers And Thunderstorms Likely 0 to 5 mph SW 65%
Thursday Night 70°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 0 to 5 mph SW 65%
Friday 86°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SW 50%
Friday Night 68°F Chance Showers And Thunderstorms 0 to 5 mph W 50%
Saturday 84°F Partly Sunny then Chance Showers And Thunderstorms 0 to 5 mph W 50%
Saturday Night 67°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 0 to 5 mph W 50%
Sunday 85°F Mostly Sunny 0 to 5 mph W 11%
Sunday Night 69°F Mostly Clear 0 to 5 mph W 11%
Monday 86°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph W 15%
Monday Night 67°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph W 15%

Forecast source: National Weather Service (api.weather.gov) for Succasunna (40.854, -74.657). Updated through the day.

Growing snapshot for Succasunna

Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6b

More local growing data for Succasunna: nearby ZIP 07876 weather · frost dates · planting calendar · New Jersey frost dates

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Climate data from the nearest NOAA station, Andover Aeroflex Ap, Nj (11.4 mi from Succasunna). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.