Frost dates in Isabella County, Michigan
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The average last spring frost in Isabella County falls Apr 30 and the average first fall frost Oct 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5b to 6a. Places: Mount Pleasant, Rosebush, Shepherd, Weidman, Winn. 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 |
|---|---|---|---|---|
| 48858 | Mount Pleasant | Apr 30 | Oct 20 | 6a |
| 48859 | Mount Pleasant | Apr 30 | Oct 20 | 6a |
| 48878 | Rosebush | Apr 30 | Oct 20 | 6a |
| 48883 | Shepherd | Apr 30 | Oct 20 | 6a |
| 48893 | Weidman | Apr 30 | Oct 20 | 5b |
| 48896 | Winn | Apr 30 | Oct 20 | 5b |
| 49310 | Apr 30 | Oct 20 | 5b |
Nearby counties
Clare County Mecosta County Gratiot County Montcalm County Midland County Osceola County
All Michigan counties · Download Michigan frost dates (CSV)
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