Annandale, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Annandale, a community in Hunterdon County, New Jersey.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Wind around 0 mph.
7-day forecast for Annandale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 62°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 0 mph | 47% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Thursday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 64% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph NW | 64% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 50% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 50% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 mph | 43% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 14% |
| Sunday Night | 69°F | Mostly Clear | 0 mph | 14% |
| Monday | 89°F | Sunny | 0 to 5 mph W | 14% |
| Monday Night | 67°F | Partly Cloudy | 0 to 5 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Annandale (40.647, -74.888). Updated through the day.
Growing snapshot for Annandale
Last spring frost
Apr 24
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
7a
More local growing data for Annandale: nearby ZIP 08801 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Asbury
Bloomsbury
Califon
Clinton
Flemington
Frenchtown
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 (3.9 mi from Annandale). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.