As of 2:04 PM CDT on September 17, 2026, out of 9 cities in Grimes County, TX in our database, 6 cities (67%) have a UV Index reading of Very High, 2 cities (22%) have a UV Index reading of Moderate, while 1 city (11%) have a UV Index reading of High. The city with the highest UV Index reading right now is Bedias, TX with a reading of 8.5.
Over the next 24 hours, the highest UV Index reading in Grimes County, TX is expected to be 9.1 in Plantersville 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 |