Leonia, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leonia, a borough in Bergen County, New Jersey.
This Afternoon
71°F
Partly Sunny
Partly sunny, with a high near 71. East wind around 7 mph.
7-day forecast for Leonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Partly Sunny | 7 mph E | 1% |
| Tonight | 61°F | Mostly Cloudy | 8 mph SE | 11% |
| Sunday | 71°F | Rain Showers then Rain | 7 to 12 mph SE | 89% |
| Sunday Night | 59°F | Rain then Rain Showers Likely | 7 to 15 mph W | 82% |
| Monday | 68°F | Slight Chance Rain Showers | 9 to 14 mph NE | 22% |
| Monday Night | 55°F | Chance Rain Showers | 12 mph NE | 28% |
| Tuesday | 64°F | Chance Rain Showers | 12 mph NE | 28% |
| Tuesday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 12 to 15 mph NE | 27% |
| Wednesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 16 mph NE | 15% |
| Wednesday Night | 53°F | Slight Chance Rain Showers | 17 mph NE | 20% |
| Thursday | 63°F | Chance Rain Showers | 16 mph NE | 29% |
| Thursday Night | 52°F | Chance Rain Showers | 16 to 20 mph NE | 36% |
| Friday | 65°F | Chance Rain Showers | 15 to 20 mph N | 38% |
| Friday Night | 54°F | Chance Rain Showers | 20 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov) for Leonia (40.863, -73.988). Updated through the day.
Growing snapshot for Leonia
Last spring frost
Apr 3
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
7b
More local growing data for Leonia: nearby ZIP 07605 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
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Emerson
Englewood
Englewood Cliffs
Fair Lawn
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Fort Lee
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Climate data from the nearest NOAA station, Teterboro Ap, Nj (3.9 mi from Leonia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.