Lambertville, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lambertville, a city in Hunterdon County, New Jersey.
Overnight
62°F
Partly Cloudy
Partly cloudy, with a low around 62. North wind around 0 mph.
7-day forecast for Lambertville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 85°F | Mostly Sunny | 0 mph | 0% |
| Tuesday Night | 64°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SE | 47% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 69% |
| Thursday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 35% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 47% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 13% |
| Sunday Night | 70°F | Mostly Clear | 0 to 5 mph W | 13% |
| Monday | 90°F | Sunny | 0 to 10 mph W | 11% |
Forecast source: National Weather Service (api.weather.gov) for Lambertville (40.369, -74.943). Updated through the day.
Growing snapshot for Lambertville
Last spring frost
Apr 16
First fall frost
Oct 19
Growing season
185 days
Hardiness zone
7a
More local growing data for Lambertville: nearby ZIP 08530 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Annandale
Asbury
Bloomsbury
Califon
Clinton
Flemington
Frenchtown
Glen Gardner
Hampton
High Bridge
Lebanon
Milford
Oldwick
Pottersville
Ringoes
Stockton
Three Bridges
White House Station
Climate data from the nearest NOAA station, Lambertville, Nj (2 mi from Lambertville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.