Riverdale, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Riverdale, a borough in Morris County, New Jersey.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. Northeast wind around 0 mph.
7-day forecast for Riverdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 64°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 37% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 41% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 52% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 52% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 46% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 46% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 11% |
| Sunday Night | 71°F | Mostly Clear | 0 to 5 mph W | 11% |
| Monday | 89°F | Mostly Sunny | 0 to 10 mph W | 14% |
| Monday Night | 69°F | Partly Cloudy | 0 to 5 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Riverdale (40.996, -74.315). Updated through the day.
Growing snapshot for Riverdale
Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
7a
More local growing data for Riverdale: nearby ZIP 07457 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
Morristown
Mount Arlington
Mount Hope
Climate data from the nearest NOAA station, Wanaque Raymond Dam, Nj (3.5 mi from Riverdale). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.