As of 5:15 PM CDT on July 17, 2025, out of 16 cities in Galveston County, TX in our database, 15 cities (94%) have a UV Index reading of Moderate, while 1 city (6%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Texas City, TX with a reading of 3.8.
Over the next 24 hours, the highest UV Index reading in Galveston County, TX is expected to be 7.5 in Bolivar Peninsula 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 |