As of 5:46 PM CDT on June 4, 2026, out of 13 cities in Sumner County, KS in our database, 8 cities (62%) have a UV Index reading of Moderate, while 5 cities (38%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Caldwell, KS with a reading of 3.6.
Over the next 24 hours, the highest UV Index reading in Sumner County, KS is expected to be 9.5 in Wellington 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 |