Frost dates in Porter County, Indiana
The average last spring frost in Porter County falls Apr 20 to Apr 29 and the average first fall frost Oct 16 to Oct 27, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6a. Places: Beverly Shores, Chesterton, Hebron, Kouts, Portage, Valparaiso. 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 |
|---|---|---|---|---|
| 46301 | Beverly Shores | Apr 22 | Oct 27 | 6a |
| 46302 | Apr 20 | Oct 26 | 5b | |
| 46304 | Chesterton | Apr 22 | Oct 27 | 6a |
| 46341 | Hebron | Apr 29 | Oct 16 | 5b |
| 46347 | Kouts | Apr 25 | Oct 17 | 5b |
| 46368 | Portage | Apr 22 | Oct 27 | 6a |
| 46383 | Valparaiso | Apr 20 | Oct 26 | 6a |
| 46385 | Valparaiso | Apr 22 | Oct 25 | 6a |
| 46393 | Wheeler | Apr 22 | Oct 25 | 6a |
Nearby counties
Lake County LaPorte County Starke County Jasper County Pulaski County Newton County
All Indiana counties · Download Indiana frost dates (CSV)
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