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Flanders, NJ Weather & Growing Conditions

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

This Afternoon
70°F
Partly Sunny
Partly sunny, with a high near 70. Southeast wind around 0 mph.

7-day forecast for Flanders

WhenTempForecastWindPrecip
This Afternoon 70°F Partly Sunny 0 mph 1%
Tonight 56°F Mostly Cloudy then Chance Rain Showers 0 to 5 mph SE 30%
Sunday 68°F Rain Showers 5 mph SE 95%
Sunday Night 55°F Showers And Thunderstorms then Mostly Cloudy 0 to 10 mph NW 80%
Monday 66°F Partly Sunny then Slight Chance Rain Showers 5 to 10 mph NE 22%
Monday Night 50°F Chance Rain Showers 5 to 10 mph NE 30%
Tuesday 61°F Chance Rain Showers 5 to 10 mph NE 32%
Tuesday Night 48°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 31%
Wednesday 61°F Mostly Cloudy then Slight Chance Rain Showers 10 mph NE 19%
Wednesday Night 48°F Slight Chance Rain Showers 5 to 15 mph NE 21%
Thursday 59°F Chance Rain Showers 10 to 15 mph NE 26%
Thursday Night 48°F Chance Rain Showers 5 to 15 mph NE 32%
Friday 63°F Chance Rain Showers 10 to 15 mph N 33%
Friday Night 49°F Chance Rain Showers 10 to 15 mph N 33%

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

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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 Sep 20, 2026.