Frost dates in Macon County, Illinois
The average last spring frost in Macon County falls Apr 14 to Apr 16 and the average first fall frost Oct 22 to Oct 24, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a. Places: Argenta, Boody, Dalton City, Decatur, Elwin, Forsyth. 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 |
|---|---|---|---|---|
| 61756 | Maroa | Apr 14 | Oct 24 | 6a |
| 61925 | Dalton City | Apr 16 | Oct 22 | 6a |
| 62501 | Argenta | Apr 16 | Oct 22 | 6a |
| 62514 | Boody | Apr 14 | Oct 24 | 6a |
| 62521 | Decatur | Apr 14 | Oct 24 | 6a |
| 62522 | Decatur | Apr 14 | Oct 24 | 6a |
| 62523 | Decatur | Apr 14 | Oct 24 | 6a |
| 62526 | Decatur | Apr 14 | Oct 24 | 6a |
| 62532 | Elwin | Apr 14 | Oct 24 | 6a |
| 62535 | Forsyth | Apr 14 | Oct 24 | 6a |
| 62537 | Harristown | Apr 14 | Oct 24 | 6a |
| 62544 | Macon | Apr 14 | Oct 24 | 6a |
| 62549 | Mount Zion | Apr 16 | Oct 22 | 6a |
| 62551 | Niantic | Apr 14 | Oct 24 | 6a |
| 62554 | Oreana | Apr 16 | Oct 22 | 6a |
| 62573 | Warrensburg | Apr 14 | Oct 24 | 6a |
Nearby counties
Piatt County De Witt County Moultrie County Christian County Logan County Sangamon County
All Illinois counties · Download Illinois frost dates (CSV)
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