Old Tappan, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Old Tappan, a borough in Bergen County, New Jersey.
Overnight
63°F
Mostly Clear
Mostly clear. Low around 63, with temperatures rising to around 65 overnight. Northwest wind around 3 mph.
7-day forecast for Old Tappan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 3 mph NW | 0% |
| Tuesday | 84°F | Mostly Sunny | 3 mph NE | 0% |
| Tuesday Night | 65°F | Mostly Cloudy | 3 mph N | 2% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SE | 29% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 35% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 48% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SW | 46% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 44% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 5 mph W | 42% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph W | 36% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 36% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 15% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph SW | 15% |
| Monday | 90°F | Sunny | 2 to 9 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Old Tappan (41.023, -73.984). Updated through the day.
Growing snapshot for Old Tappan
Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
189 days
Hardiness zone
7a
More local growing data for Old Tappan: nearby ZIP 07675 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Allendale
Alpine
Bergenfield
Bogota
Carlstadt
Cliffside Park
Closter
Cresskill
Demarest
Dumont
East Rutherford
Edgewater
Elmwood Park
Emerson
Englewood
Englewood Cliffs
Fair Lawn
Fairview
Fort Lee
Franklin Lakes
Garfield
Glen Rock
Hackensack
Harrington Park
Hasbrouck Heights
Haworth
Hillsdale
Ho-Ho-Kus
Leonia
Little Ferry
Climate data from the nearest NOAA station, Dobbs Ferry-Ardsley, Ny (8.7 mi from Old Tappan). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.