As of 3:26 PM EDT on July 30, 2026, all 6 cities in Jay County, IN in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Dunkirk, IN with a reading of 7.8.
Over the next 24 hours, the highest UV Index reading in Jay County, IN is expected to be 8.8 in Portland 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 |