As of 11:30 AM EDT on July 15, 2026, all 5 cities in Duval County, FL in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Jacksonville, FL with a reading of 6.7.
Over the next 24 hours, the highest UV Index reading in Duval County, FL is expected to be 10.6 in Jacksonville between 1:00 PM - 2:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |