Franklin Center, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin Center, a community in Somerset County, New Jersey.
Tonight
58°F
Mostly Cloudy
Mostly cloudy, with a low around 58. East wind 0 to 5 mph.
7-day forecast for Franklin Center
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Mostly Cloudy | 0 to 5 mph E | 8% |
| Sunday | 74°F | Rain Showers | 5 mph SE | 82% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 74% |
| Monday | 69°F | Chance Rain Showers | 5 to 10 mph NE | 27% |
| Monday Night | 52°F | Chance Rain Showers | 5 mph NE | 29% |
| Tuesday | 65°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Tuesday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 33% |
| Wednesday | 65°F | Slight Chance Rain Showers | 10 to 15 mph NE | 19% |
| Wednesday Night | 50°F | Slight Chance Rain Showers | 10 mph NE | 21% |
| Thursday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Thursday Night | 49°F | Chance Rain Showers | 10 mph NE | 35% |
| Friday | 66°F | Chance Rain Showers | 10 to 15 mph N | 35% |
| Friday Night | 50°F | Chance Rain Showers | 5 to 10 mph N | 35% |
| Saturday | 69°F | Chance Rain Showers | 10 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov) for Franklin Center (40.532, -74.541). Updated through the day.
Growing snapshot for Franklin Center
Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
198 days
Hardiness zone
7a
More local growing data for Franklin Center: nearby ZIP 08880 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Basking Ridge
Bedminster
Belle Mead
Bernardsville
Blackwells Mills
Blawenburg
Bound Brook
Bradley Gardens
Bridgewater Center
Clyde
Dunellen
East Millstone
East Rocky Hill
Far Hills
Finderne
Flagtown
Franklin Park
Green Knoll
Griggstown
Harlingen
Hillsborough
Kingston
Lamington
Liberty Corner
Lyons
Manville
Martinsville
Middlebush
Millstone
Neshanic
Climate data from the nearest NOAA station, Plainfield, Nj (7.4 mi from Franklin Center). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.