New Jersey frost dates: W
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Waldwick | Apr 19 | Oct 23 | 187 d | 7a |
| Wallington | Apr 3 | Nov 4 | 215 d | 7b |
| Wallpack Center | Apr 24 | Oct 16 | 175 d | 6b |
| Wanaque | Apr 19 | Oct 23 | 187 d | 7a |
| Waretown | Apr 23 | Oct 20 | 180 d | 7a |
| Warren | Apr 11 | Oct 28 | 200 d | 7a |
| Washington | Apr 30 | Oct 18 | 171 d | 6b |
| Watchung | Apr 11 | Oct 28 | 200 d | 7a |
| Waterford Works | Apr 14 | Oct 27 | 196 d | 7a |
| Wayne | Apr 15 | Oct 28 | 196 d | 7a |
| Weehawken | Mar 30 | Nov 20 | 235 d | 7b |
| Wenonah | Apr 8 | Nov 1 | 207 d | 7b |
| West Berlin | Apr 28 | Oct 15 | 170 d | 7a |
| West Creek | Apr 1 | Nov 15 | 228 d | 7b |
| West Long Branch | Apr 9 | Nov 3 | 208 d | 7b |
| West Milford | Apr 25 | Oct 17 | 175 d | 6b |
| West New York | Mar 30 | Nov 20 | 235 d | 7b |
| West Orange | Apr 18 | Oct 24 | 189 d | 7a |
| Westfield | Apr 11 | Oct 31 | 203 d | 7a |
| Westville | Apr 2 | Nov 10 | 222 d | 7b |
| Westwood | Apr 20 | Oct 26 | 189 d | 7a |
| Wharton | Apr 17 | Oct 23 | 189 d | 6b |
| Whippany | Apr 17 | Oct 23 | 189 d | 7a |
| Whitehouse | Apr 26 | Oct 18 | 175 d | 7a |
| Whitehouse Station | Apr 26 | Oct 18 | 175 d | 7a |
| Whitesboro | Apr 1 | Nov 9 | 222 d | 7b |
| Wickatunk | Apr 17 | Oct 23 | 189 d | 7a |
| Wildwood | Apr 1 | Nov 9 | 222 d | 8a |
| Williamstown | Apr 8 | Nov 1 | 207 d | 7a |
| Willingboro | Apr 15 | Oct 29 | 197 d | 7b |
| Windsor | Apr 25 | Oct 16 | 174 d | 7a |
| Winslow | Apr 14 | Oct 27 | 196 d | 7a |
| Wood Ridge | Apr 3 | Nov 4 | 215 d | 7b |
| Woodbine | Apr 24 | Oct 22 | 181 d | 7a |
| Woodbridge | Apr 11 | Oct 28 | 200 d | 7b |
| Woodbury Heights | Apr 2 | Nov 10 | 222 d | 7b |
| Woodcliff Lake | Apr 20 | Oct 26 | 189 d | 7a |
| Woodstown | Apr 11 | Nov 3 | 206 d | 7b |
| Wrightstown | Apr 25 | Oct 16 | 174 d | 7a |
| Wyckoff | Apr 19 | Oct 23 | 187 d | 7a |