Bernardsville, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bernardsville, a borough in Somerset County, New Jersey.
Tonight
57°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy, with a low around 57. Southeast wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Bernardsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 19% |
| Sunday | 70°F | Rain Showers | 5 mph SE | 91% |
| Sunday Night | 56°F | Showers And Thunderstorms | 0 to 10 mph NW | 85% |
| Monday | 67°F | Slight Chance Rain Showers | 5 to 10 mph NE | 23% |
| Monday Night | 51°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 62°F | Chance Rain Showers | 5 to 10 mph NE | 31% |
| Tuesday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 31% |
| Wednesday | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Wednesday Night | 49°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Thursday | 60°F | Chance Rain Showers | 10 to 15 mph NE | 27% |
| Thursday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Friday | 63°F | Chance Rain Showers | 10 to 15 mph N | 34% |
| Friday Night | 50°F | Chance Rain Showers | 10 to 15 mph N | 34% |
| Saturday | 66°F | Chance Rain Showers | 10 to 15 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov) for Bernardsville (40.730, -74.593). Updated through the day.
Growing snapshot for Bernardsville
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
176 days
Hardiness zone
6b
More local growing data for Bernardsville: nearby ZIP 07924 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Basking Ridge
Bedminster
Belle Mead
Blackwells Mills
Blawenburg
Bound Brook
Bradley Gardens
Bridgewater Center
Clyde
Dunellen
East Millstone
East Rocky Hill
Far Hills
Finderne
Flagtown
Franklin Center
Franklin Park
Green Knoll
Griggstown
Harlingen
Hillsborough
Kingston
Lamington
Liberty Corner
Lyons
Manville
Martinsville
Middlebush
Millstone
Neshanic
Climate data from the nearest NOAA station, Somerville Somerset Ap, Nj (8.1 mi from Bernardsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.