As of 3:19 PM EDT on July 22, 2026, all 7 cities in Decatur County, IN in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is St. Paul, IN with a reading of 8.4.
Over the next 24 hours, the highest UV Index reading in Decatur County, IN is expected to be 9.6 in Greensburg between 2:00 PM - 3:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |