Frost dates in Warren County, New Jersey
The average last spring frost in Warren County falls Apr 18 to Apr 30 and the average first fall frost Oct 16 to Oct 25, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Allamuchy, Belvidere, Brass Castle, Delaware, Great Meadows, Hackettstown. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 07820 | Allamuchy | Apr 25 | Oct 19 | 6b |
| 07823 | Belvidere | Apr 30 | Oct 18 | 7a |
| 07825 | Marksboro | Apr 24 | Oct 16 | 6b |
| 07831 | Apr 30 | Oct 18 | 6b | |
| 07832 | Hainesburg | Apr 30 | Oct 18 | 6b |
| 07833 | Delaware | Apr 30 | Oct 18 | 7a |
| 07838 | Great Meadows | Apr 30 | Oct 18 | 6b |
| 07840 | Hackettstown | Apr 25 | Oct 19 | 6b |
| 07844 | Hope | Apr 30 | Oct 18 | 6b |
| 07846 | Johnsonburg | Apr 25 | Oct 19 | 6b |
| 07863 | Oxford | Apr 30 | Oct 18 | 6b |
| 07865 | Port Murray | Apr 30 | Oct 18 | 6b |
| 07880 | Vienna | Apr 30 | Oct 18 | 6b |
| 07882 | Brass Castle | Apr 30 | Oct 18 | 6b |
| 08865 | Phillipsburg | Apr 18 | Oct 25 | 7a |
| 08886 | Stewartsville | Apr 18 | Oct 25 | 7a |
Nearby counties
Hunterdon County Morris County Sussex County Somerset County Union County Essex County
All New Jersey counties · Download New Jersey frost dates (CSV)
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