As of 2:13 PM MDT on August 30, 2025, out of 28 cities in Weld County, CO in our database, 16 cities (57%) have a UV Index reading of Very High, 10 cities (36%) have a UV Index reading of High, while 2 cities (7%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Hudson, CO with a reading of 7.7.
Over the next 24 hours, the highest UV Index reading in Weld County, CO is expected to be 8.7 in Erie between 1:00 PM - 2:00 PM MDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |