As of 12:25 AM CST on January 5, 2026, all 5 cities in Duval County, TX 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 Duval County, TX is expected to be 4.1 in San Diego between 12:00 PM - 1:00 PM CST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |