As of 5:42 PM MDT on October 31, 2026, all 24 cities in Arapahoe County, CO in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Aurora, CO with a reading of 0.4.
Over the next 24 hours, the highest UV Index reading in Arapahoe County, CO is expected to be 3.1 in Comanche Creek between 12:00 PM - 1:00 PM MST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |