White Horse, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for White Horse, a community in Mercer County, New Jersey.
This Afternoon
75°F
Partly Sunny
Partly sunny, with a high near 75. East wind around 5 mph.
7-day forecast for White Horse
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Partly Sunny | 5 mph E | 1% |
| Tonight | 60°F | Mostly Cloudy | 0 to 5 mph E | 5% |
| Sunday | 77°F | Rain Showers Likely | 5 to 10 mph SE | 63% |
| Sunday Night | 59°F | Rain Showers Likely | 5 mph W | 69% |
| Monday | 70°F | Partly Sunny then Chance Rain Showers | 5 to 10 mph NE | 30% |
| Monday Night | 54°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 66°F | Chance Rain Showers | 10 mph NE | 35% |
| Tuesday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 35% |
| Wednesday | 65°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Wednesday Night | 53°F | Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Thursday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 30% |
| Thursday Night | 51°F | Chance Rain Showers | 10 mph NE | 36% |
| Friday | 66°F | Chance Rain Showers | 10 mph N | 36% |
| Friday Night | 52°F | Chance Rain Showers | 10 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov) for White Horse (40.192, -74.701). Updated through the day.
Growing snapshot for White Horse
Last spring frost
Apr 17
First fall frost
Oct 28
Growing season
192 days
Hardiness zone
7a
More local growing data for White Horse: nearby ZIP 08610 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Allentown
Groveville
Hamilton Square
Hightstown
Hopewell
Lawrenceville
Mercerville
Pennington
Princeton
Robbinsville Center
The College of New Jersey
Titusville
Trenton
Twin Rivers
Windsor
Yardville
Climate data from the nearest NOAA station, Trenton State College, Nj (6.7 mi from White Horse). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.