Indiana frost dates by city
| City | Last frost (50%) | Safer date (10%) | First frost (50%) | Season |
|---|---|---|---|---|
| Evansville | Apr 4 | Apr 19 | Oct 29 | 206 days |
| Fort Wayne | Apr 24 | May 10 | Oct 21 | 178 days |
| Indianapolis | Apr 15 | May 2 | Oct 26 | 193 days |
Each city uses its nearest major NOAA weather station, usually the airport. Valleys, hilltops and rural spots can differ from it by one to three weeks. How to read these dates.