As of 11:45 AM CDT on April 12, 2026, out of 6 cities in Waller County, TX in our database, 4 cities (67%) have a UV Index reading of Moderate, while 2 cities (33%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Prairie View, TX with a reading of 3.1.
Over the next 24 hours, the highest UV Index reading in Waller County, TX is expected to be 7.3 in Brookshire 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 |