As of 12:34 PM CDT on May 21, 2026, all 5 cities in Duval County, TX in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is San Diego, TX with a reading of 8.4.
Over the next 24 hours, the highest UV Index reading in Duval County, TX is expected to be 9.1 in Freer between 1:00 PM - 2:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |