Frost dates in Winnebago County, Wisconsin
The average last spring frost in Winnebago County falls Apr 24 to May 4 and the average first fall frost Oct 6 to Oct 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Butte des Morts, Neenah, Omro, Oshkosh, Waukau, Winchester. 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 |
|---|---|---|---|---|
| 54901 | Oshkosh | Apr 24 | Oct 20 | 5b |
| 54902 | Oshkosh | Apr 30 | Oct 13 | 5b |
| 54904 | Oshkosh | Apr 24 | Oct 20 | 5b |
| 54927 | Butte des Morts | Apr 24 | Oct 20 | 5b |
| 54947 | Winchester | May 4 | Oct 6 | 5b |
| 54956 | Neenah | May 4 | Oct 6 | 5b |
| 54963 | Omro | May 1 | Oct 8 | 5b |
| 54964 | May 1 | Oct 11 | 5a | |
| 54980 | Waukau | May 1 | Oct 11 | 5a |
| 54985 | Oshkosh | Apr 24 | Oct 20 | 5b |
| 54986 | Winneconne | Apr 24 | Oct 20 | 5b |
Nearby counties
Fond du Lac County Calumet County Outagamie County Waushara County Green Lake County Waupaca County
All Wisconsin counties · Download Wisconsin frost dates (CSV)
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