Long Valley, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Long Valley, a community in Morris County, New Jersey.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind around 0 mph.
7-day forecast for Long Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 63°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 46% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 54% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 70% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 70% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 51% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Saturday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 50% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 50% |
| Sunday | 86°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 69°F | Mostly Clear | 0 to 5 mph SW | 12% |
| Monday | 87°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 15% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Long Valley (40.782, -74.777). Updated through the day.
Growing snapshot for Long Valley
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
176 days
Hardiness zone
6b
More local growing data for Long Valley: nearby ZIP 07853 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
Lower Berkshire Valley
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Madison
Mendham
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Morris Plains
Morristown
Mount Arlington
Mount Hope
Mount Tabor
Climate data from the nearest NOAA station, Somerville Somerset Ap, Nj (12.7 mi from Long Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.