Harman US

Flanders, NJ Weather & Growing Conditions

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

Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. Northeast wind around 0 mph.

7-day forecast for Flanders

WhenTempForecastWindPrecip
Today 81°F Mostly Sunny 0 mph 0%
Tonight 63°F Mostly Cloudy 0 mph 1%
Wednesday 80°F Partly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SE 42%
Wednesday Night 68°F Chance Showers And Thunderstorms 0 mph 54%
Thursday 84°F Showers And Thunderstorms Likely 0 to 5 mph SW 68%
Thursday Night 70°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 0 to 5 mph SW 68%
Friday 85°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 83°F Partly Sunny then Chance Showers And Thunderstorms 0 to 5 mph W 51%
Saturday Night 67°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 0 to 5 mph W 51%
Sunday 84°F Mostly Sunny 0 to 5 mph W 12%
Sunday Night 69°F Mostly Clear 0 to 5 mph W 12%
Monday 85°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 Flanders (40.844, -74.710). Updated through the day.

Growing snapshot for Flanders

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

More local growing data for Flanders: nearby ZIP 07836 weather · frost dates · planting calendar · New Jersey frost dates

Nearby towns & communities

All New Jersey locations ›

Climate data from the nearest NOAA station, Andover Aeroflex Ap, Nj (11.5 mi from Flanders). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.