As of 3:59 PM CDT on September 18, 2025, out of 9 cities in Matagorda County, TX in our database, 6 cities (67%) have a UV Index reading of High, while 3 cities (33%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Palacios, TX with a reading of 7.1.
Over the next 24 hours, the highest UV Index reading in Matagorda County, TX is expected to be 9.3 in Bay City between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |