As of 1:46 PM CDT on September 16, 2025, all 13 cities in Johnson County, TX in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Cleburne, TX with a reading of 7.9.
Over the next 24 hours, the highest UV Index reading in Johnson County, TX is expected to be 7.9 in Burleson between 2:00 PM - 3:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |