Indiana frost dates: W
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Wabash | Apr 23 | Oct 21 | 181 d | 6a |
| Wadesville | Mar 29 | Nov 10 | 226 d | 7a |
| Wakarusa | Apr 26 | Oct 21 | 178 d | 6a |
| Waldron | Apr 17 | Oct 22 | 188 d | 6a |
| Walkerton | Apr 25 | Oct 21 | 179 d | 6a |
| Wallace | Apr 30 | Oct 12 | 165 d | 6a |
| Walton | Apr 20 | Oct 23 | 186 d | 6a |
| Wanatah | Apr 29 | Oct 13 | 167 d | 5b |
| Warren | May 1 | Oct 14 | 166 d | 6a |
| Warsaw | Apr 28 | Oct 18 | 173 d | 6a |
| Washington | Apr 10 | Oct 25 | 198 d | 6b |
| Waterloo | May 2 | Oct 10 | 161 d | 6a |
| Waveland | Apr 27 | Oct 12 | 168 d | 5b |
| Wawaka | Apr 24 | Oct 24 | 183 d | 6a |
| Waynetown | Apr 27 | Oct 12 | 168 d | 5b |
| Webster | Apr 24 | Oct 20 | 179 d | 6a |
| West Baden Springs | Apr 21 | Oct 18 | 180 d | 6b |
| West College Corner | Apr 20 | Oct 21 | 184 d | 6a |
| West Harrison | Apr 20 | Oct 21 | 184 d | 6b |
| West Lafayette | Apr 26 | Oct 18 | 175 d | 6a |
| West Lebanon | Apr 22 | Oct 17 | 178 d | 6a |
| West Middleton | Apr 27 | Oct 18 | 174 d | 6a |
| West Newton | Apr 12 | Oct 27 | 198 d | 6a |
| West Terre Haute | Apr 15 | Oct 19 | 187 d | 6a |
| Westfield | Apr 21 | Oct 21 | 183 d | 6a |
| Westphalia | Apr 9 | Oct 30 | 204 d | 6b |
| Westpoint | Apr 26 | Oct 18 | 175 d | 6a |
| Westport | Apr 21 | Oct 21 | 183 d | 6b |
| Westville | Apr 29 | Oct 13 | 167 d | 6a |
| Wheatfield | Apr 25 | Oct 17 | 175 d | 5b |
| Wheatland | Apr 10 | Oct 25 | 198 d | 6b |
| Wheeler | Apr 22 | Oct 25 | 186 d | 6a |
| Whiteland | Apr 20 | Oct 19 | 182 d | 6a |
| Whitestown | Apr 21 | Oct 20 | 182 d | 6a |
| Whiting | Apr 10 | Nov 5 | 209 d | 6a |
| Wilkinson | Apr 19 | Oct 22 | 186 d | 6a |
| Williams | Apr 10 | Oct 30 | 203 d | 6b |
| Williamsburg | Apr 24 | Oct 20 | 179 d | 6a |
| Williamsport | Apr 22 | Oct 17 | 178 d | 6a |
| Winamac | Apr 25 | Oct 18 | 176 d | 5b |
| Winchester | Apr 20 | Oct 21 | 184 d | 6a |
| Windfall | Apr 24 | Oct 18 | 177 d | 6a |
| Wingate | Apr 22 | Oct 17 | 178 d | 6a |
| Winona Lake | Apr 28 | Oct 18 | 173 d | 6a |
| Winslow | Apr 6 | Oct 30 | 207 d | 6b |
| Wolcott | Apr 25 | Oct 17 | 175 d | 5b |
| Wolcottville | Apr 26 | Oct 21 | 178 d | 6a |
| Wolflake | Apr 24 | Oct 24 | 183 d | 6a |
| Woodburn | Apr 27 | Oct 19 | 175 d | 6a |
| Worthington | Apr 14 | Oct 26 | 195 d | 6b |
| Wyatt | May 1 | Oct 13 | 165 d | 6a |