Frenchtown, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Frenchtown, a borough in Hunterdon County, New Jersey.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind around 0 mph.
7-day forecast for Frenchtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 63°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 83°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph E | 46% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 0 mph | 60% |
| Thursday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 58% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph W | 58% |
| Friday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 50% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 50% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 11% |
| Sunday Night | 70°F | Mostly Clear | 0 to 5 mph W | 11% |
| Monday | 89°F | Sunny | 0 to 5 mph W | 14% |
| Monday Night | 68°F | Partly Cloudy | 0 to 5 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Frenchtown (40.531, -75.053). Updated through the day.
Growing snapshot for Frenchtown
Last spring frost
Apr 24
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
7a
More local growing data for Frenchtown: nearby ZIP 08825 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Annandale
Asbury
Bloomsbury
Califon
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Glen Gardner
Hampton
High Bridge
Lambertville
Lebanon
Milford
Oldwick
Pottersville
Ringoes
Stockton
Three Bridges
White House Station
Climate data from the nearest NOAA station, Flemington 5 Nnw, Nj (8.7 mi from Frenchtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.