As of 11:00 AM CDT on May 4, 2026, all 12 cities in Guadalupe County, TX in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Cibolo, TX with a reading of 6.2.
Over the next 24 hours, the highest UV Index reading in Guadalupe County, TX is expected to be 10.3 in Cibolo 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 |