Three Bridges, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Three Bridges, a community in Hunterdon County, New Jersey.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. Northeast wind around 0 mph.
7-day forecast for Three Bridges
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 62°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 52% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 61% |
| Thursday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 45% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 49% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 49% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 39% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 39% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 69°F | Mostly Clear | 0 to 5 mph W | 12% |
| Monday | 90°F | Mostly Sunny | 0 to 10 mph W | 12% |
| Monday Night | 68°F | Partly Cloudy | 0 to 5 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov) for Three Bridges (40.521, -74.800). Updated through the day.
Growing snapshot for Three Bridges
Last spring frost
Apr 16
First fall frost
Oct 27
Growing season
192 days
Hardiness zone
7a
More local growing data for Three Bridges: nearby ZIP 08887 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Annandale
Asbury
Bloomsbury
Califon
Clinton
Flemington
Frenchtown
Glen Gardner
Hampton
High Bridge
Lambertville
Lebanon
Milford
Oldwick
Pottersville
Ringoes
Stockton
White House Station
Climate data from the nearest NOAA station, Wertsville 4 Ne, Nj (4.9 mi from Three Bridges). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.