Hainesburg, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hainesburg, a community in Warren County, New Jersey.
This Afternoon
73°F
Mostly Sunny
Mostly sunny, with a high near 73. Southeast wind around 0 mph.
7-day forecast for Hainesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 55°F | Mostly Cloudy then Chance Rain Showers | 0 mph | 32% |
| Sunday | 68°F | Rain Showers | 0 to 5 mph SE | 99% |
| Sunday Night | 54°F | Showers And Thunderstorms | 0 to 5 mph W | 91% |
| Monday | 69°F | Partly Sunny | 5 mph NE | 8% |
| Monday Night | 47°F | Mostly Cloudy then Chance Rain Showers | 5 mph NE | 28% |
| Tuesday | 62°F | Chance Rain Showers | 5 mph NE | 28% |
| Tuesday Night | 46°F | Chance Rain Showers | 5 to 10 mph NE | 25% |
| Wednesday | 64°F | Slight Chance Rain Showers | 10 mph NE | 23% |
| Wednesday Night | 46°F | Chance Rain Showers | 10 mph NE | 30% |
| Thursday | 62°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Thursday Night | 47°F | Chance Rain Showers | 5 to 10 mph NE | 35% |
| Friday | 66°F | Chance Rain Showers | 5 to 10 mph N | 28% |
| Friday Night | 48°F | Chance Rain Showers | 5 to 10 mph N | 28% |
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 Sep 19, 2026.