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Kinnelon, NJ Weather & Growing Conditions

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

This Afternoon
69°F
Partly Sunny
Partly sunny, with a high near 69. Southeast wind around 0 mph.

7-day forecast for Kinnelon

WhenTempForecastWindPrecip
This Afternoon 69°F Partly Sunny 0 mph 1%
Tonight 56°F Mostly Cloudy then Slight Chance Rain Showers 0 to 5 mph SE 24%
Sunday 67°F Rain Showers 5 mph SE 97%
Sunday Night 54°F Showers And Thunderstorms then Mostly Cloudy 0 to 10 mph NW 83%
Monday 65°F Partly Sunny then Slight Chance Rain Showers 5 to 10 mph NE 19%
Monday Night 50°F Chance Rain Showers 5 mph NE 30%
Tuesday 61°F Chance Rain Showers 5 mph NE 30%
Tuesday Night 48°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 27%
Wednesday 61°F Mostly Cloudy 10 mph NE 14%
Wednesday Night 48°F Slight Chance Rain Showers 5 to 10 mph NE 20%
Thursday 60°F Chance Rain Showers 5 to 10 mph NE 27%
Thursday Night 48°F Chance Rain Showers 5 to 10 mph NE 34%
Friday 62°F Chance Rain Showers 10 mph N 34%
Friday Night 50°F Chance Rain Showers 10 mph N 35%

Forecast source: National Weather Service (api.weather.gov) for Kinnelon (40.982, -74.386). Updated through the day.

Growing snapshot for Kinnelon

Last spring frost
Apr 25
First fall frost
Oct 17
Growing season
174 days
Hardiness zone
6b

More local growing data for Kinnelon: nearby ZIP 07405 weather · frost dates · planting calendar · New Jersey frost dates

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Climate data from the nearest NOAA station, Charlotteburg Rsvr, Nj (3.8 mi from Kinnelon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.