As of 11:47 PM EDT on September 18, 2025, all 6 cities in Jay County, IN in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Jay County, IN is expected to be 6.2 in Dunkirk 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 |