Morristown, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Morristown, a town in Morris County, New Jersey.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind around 0 mph.
7-day forecast for Morristown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 64°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 37% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 40% |
| Thursday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 49% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 49% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 47% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 11% |
| Sunday Night | 71°F | Mostly Clear | 0 to 5 mph W | 11% |
| Monday | 88°F | Sunny | 0 to 10 mph W | 12% |
| Monday Night | 69°F | Partly Cloudy | 0 to 5 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov) for Morristown (40.797, -74.477). Updated through the day.
Growing snapshot for Morristown
Last spring frost
Apr 18
First fall frost
Oct 27
Growing season
189 days
Hardiness zone
7a
More local growing data for Morristown: nearby ZIP 07960 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Beattystown
Boonton
Brookside
Budd Lake
Cedar Knolls
Chester
Dover
Flanders
Florham Park
Gillette
Green Village
Hibernia
Kenvil
Kinnelon
Lake Hiawatha
Lake Hopatcong
Lake Telemark
Landing
Ledgewood
Lincoln Park
Long Valley
Lower Berkshire Valley
Macopin
Madison
Mendham
Millington
Morris Plains
Mount Arlington
Mount Hope
Mount Tabor
Climate data from the nearest NOAA station, Canoe Brook, Nj (8.2 mi from Morristown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.