As of 3:01 PM CDT on September 20, 2026, out of 6 cities in Custer County, OK in our database, 5 cities (83%) have a UV Index reading of High, while 1 city (17%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Butler, OK with a reading of 6.9.
Over the next 24 hours, the highest UV Index reading in Custer County, OK is expected to be 7.7 in Butler between 2:00 PM - 3:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |