Wisconsin frost dates: E
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Eagle | May 3 | Oct 9 | 159 d | 5b |
| Eagle River | May 25 | Sep 24 | 122 d | 4b |
| East Ellsworth | May 13 | Sep 29 | 139 d | 4b |
| East Troy | May 5 | Oct 10 | 158 d | 5b |
| Eastman | Apr 24 | Oct 17 | 176 d | 5a |
| Eau Claire | Apr 24 | Oct 14 | 173 d | 4b |
| Eau Galle | May 1 | Oct 10 | 162 d | 4b |
| Eden | Apr 27 | Oct 19 | 175 d | 5a |
| Edgar | May 6 | Oct 4 | 151 d | 4b |
| Edgerton | Apr 30 | Oct 11 | 164 d | 5b |
| Edgewater | frost any month | 4a | ||
| Edmund | May 3 | Oct 7 | 157 d | 5a |
| Egg Harbor | May 8 | Oct 13 | 158 d | 5b |
| Eland | May 6 | Oct 5 | 152 d | 4b |
| Elcho | Jun 3 | Sep 18 | 107 d | 4b |
| Elderon | May 6 | Oct 5 | 152 d | 4b |
| Eldorado | May 1 | Oct 11 | 163 d | 5a |
| Eleva | May 10 | Oct 2 | 145 d | 4b |
| Elk Mound | May 8 | Oct 4 | 149 d | 4b |
| Elkhart Lake | May 3 | Oct 10 | 160 d | 5b |
| Elkhorn | Apr 28 | Oct 14 | 169 d | 5b |
| Ellison Bay | May 14 | Oct 18 | 157 d | 5b |
| Ellsworth | May 13 | Sep 29 | 139 d | 4b |
| Elm Grove | Apr 26 | Oct 18 | 175 d | 5b |
| Elmwood | May 13 | Sep 29 | 139 d | 4b |
| Elroy | May 5 | Oct 4 | 152 d | 5a |
| Elton | May 14 | Sep 30 | 139 d | 4b |
| Embarrass | May 4 | Oct 6 | 155 d | 5a |
| Endeavor | May 3 | Oct 5 | 155 d | 5a |
| Ephraim | May 14 | Oct 18 | 157 d | 5b |
| Ettrick | May 9 | Oct 1 | 145 d | 4b |
| Eureka | May 1 | Oct 8 | 160 d | 5a |
| Evansville | Apr 30 | Oct 11 | 164 d | 5b |
| Exeland | May 19 | Sep 27 | 131 d | 4a |