As of 1:52 PM CDT on May 14, 2025, out of 9 cities in Grimes County, TX in our database, 6 cities (67%) have a UV Index reading of Extreme, while 3 cities (33%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Plantersville, TX with a reading of 10.8.
Over the next 24 hours, the highest UV Index reading in Grimes County, TX is expected to be 10.8 in Plantersville 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 |