Flanders, NJ Weather & Growing Conditions
Today
70°F
Mostly Sunny
Mostly sunny, with a high near 70. East wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tonight | 55°F | Mostly Cloudy | 0 to 5 mph SE | 14% |
| Sunday | 67°F | Rain Showers | 5 mph S | 98% |
| Sunday Night | 53°F | Showers And Thunderstorms Likely | 0 to 10 mph W | 62% |
| Monday | 65°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 17% |
| Monday Night | 48°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph NE | 25% |
| Tuesday | 60°F | Chance Rain Showers | 5 to 10 mph NE | 28% |
| Tuesday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 26% |
| Wednesday | 60°F | Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Wednesday Night | 47°F | Chance Rain Showers | 10 to 15 mph NE | 31% |
| Thursday | 59°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Thursday Night | 47°F | Chance Rain Showers | 5 to 15 mph NE | 35% |
| Friday | 62°F | Chance Rain Showers | 10 to 15 mph N | 30% |
| Friday Night | 48°F | Chance Rain Showers | 5 to 10 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Flanders, NJ
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6b
Explore more for Flanders, NJ: full frost dates · planting calendar · New Jersey frost dates
Climate data from the nearest NOAA station, Andover Aeroflex Ap, Nj (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.