As of 10:56 AM CDT on September 18, 2025, out of 11 cities in Fannin County, TX in our database, 7 cities (64%) have a UV Index reading of Low, while 4 cities (36%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Honey Grove, TX with a reading of 2.5.
Over the next 24 hours, the highest UV Index reading in Fannin County, TX is expected to be 7.6 in Bonham 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 |