Bound Brook, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bound Brook, a borough in Somerset County, New Jersey.
This Afternoon
72°F
Mostly Cloudy
Mostly cloudy, with a high near 72. East wind around 5 mph.
7-day forecast for Bound Brook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Cloudy | 5 mph E | 1% |
| Tonight | 59°F | Mostly Cloudy | 0 to 5 mph E | 9% |
| Sunday | 73°F | Rain Showers | 5 mph SE | 84% |
| Sunday Night | 58°F | Showers And Thunderstorms | 0 to 5 mph W | 77% |
| Monday | 68°F | Chance Rain Showers | 5 to 10 mph NE | 26% |
| Monday Night | 53°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 64°F | Chance Rain Showers | 10 mph NE | 33% |
| Tuesday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 33% |
| Wednesday | 64°F | Slight Chance Rain Showers | 10 mph NE | 19% |
| Wednesday Night | 51°F | Slight Chance Rain Showers | 10 mph NE | 21% |
| Thursday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Thursday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Friday | 65°F | Chance Rain Showers | 10 to 15 mph N | 35% |
| Friday Night | 52°F | Chance Rain Showers | 5 to 10 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov) for Bound Brook (40.568, -74.537). Updated through the day.
Growing snapshot for Bound Brook
Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
172 days
Hardiness zone
7a
More local growing data for Bound Brook: nearby ZIP 08805 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Basking Ridge
Bedminster
Belle Mead
Bernardsville
Blackwells Mills
Blawenburg
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 4 Nw, Nj (6.8 mi from Bound Brook). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.