Hainesburg, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hainesburg, a community in Warren County, New Jersey.
Today
85°F
Sunny
Sunny, with a high near 85. East wind around 0 mph.
7-day forecast for Hainesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 0 mph | 0% |
| Tonight | 62°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 0 mph | 51% |
| Wednesday Night | 68°F | Showers And Thunderstorms Likely | 0 mph | 57% |
| Thursday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 77% |
| Thursday Night | 69°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph SW | 77% |
| Friday | 89°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 64% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 mph | 64% |
| Saturday | 87°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph W | 56% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 56% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 68°F | Mostly Clear | 0 to 5 mph W | 12% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 18% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Hainesburg (40.957, -75.052). Updated through the day.
Growing snapshot for Hainesburg
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
168 days
Hardiness zone
6b
More local growing data for Hainesburg: nearby ZIP 07832 weather · frost dates · planting calendar · New Jersey frost dates
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Climate data from the nearest NOAA station, Belvidere Brg, Nj (8 mi from Hainesburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.