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Netcong, NJ Weather & Growing Conditions

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

Tonight
55°F
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after 2am. Mostly cloudy, with a low around 55. Southeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Netcong

WhenTempForecastWindPrecip
Tonight 55°F Mostly Cloudy then Chance Rain Showers 0 to 5 mph SE 33%
Sunday 69°F Rain Showers 5 mph SE 96%
Sunday Night 53°F Showers And Thunderstorms then Mostly Cloudy 0 to 10 mph NW 78%
Monday 66°F Partly Sunny then Slight Chance Rain Showers 5 to 10 mph NE 20%
Monday Night 48°F Chance Rain Showers 5 mph NE 30%
Tuesday 62°F Chance Rain Showers 5 mph NE 31%
Tuesday Night 47°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 29%
Wednesday 61°F Mostly Cloudy then Slight Chance Rain Showers 10 mph NE 19%
Wednesday Night 47°F Slight Chance Rain Showers 5 to 10 mph NE 21%
Thursday 60°F Chance Rain Showers 5 to 10 mph NE 26%
Thursday Night 47°F Chance Rain Showers 5 to 10 mph NE 32%
Friday 63°F Chance Rain Showers 10 mph N 33%
Friday Night 48°F Chance Rain Showers 5 to 10 mph N 33%
Saturday 66°F Chance Rain Showers 5 to 10 mph N 30%

Forecast source: National Weather Service (api.weather.gov) for Netcong (40.899, -74.701). Updated through the day.

Growing snapshot for Netcong

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

More local growing data for Netcong: nearby ZIP 07857 weather · frost dates · planting calendar · New Jersey frost dates

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Climate data from the nearest NOAA station, Andover Aeroflex Ap, Nj (8 mi from Netcong). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.