Flemington, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Flemington, a borough 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 Flemington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 63°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 50% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 60% |
| Thursday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 47% |
| Friday | 89°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 | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 40% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 40% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 70°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 Flemington (40.509, -74.860). Updated through the day.
Growing snapshot for Flemington
Last spring frost
Apr 24
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
7a
More local growing data for Flemington: nearby ZIP 08822 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
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Bloomsbury
Califon
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Glen Gardner
Hampton
High Bridge
Lambertville
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Milford
Oldwick
Pottersville
Ringoes
Stockton
Three Bridges
White House Station
Climate data from the nearest NOAA station, Flemington 5 Nnw, Nj (3.7 mi from Flemington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.