As of 5:04 PM CDT on June 18, 2026, all 4 cities in Karnes County, TX in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Kenedy, TX with a reading of 4.6.
Over the next 24 hours, the highest UV Index reading in Karnes County, TX is expected to be 9.1 in Runge between 3:00 PM - 4:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |