As of 5:07 PM EDT on July 17, 2025, out of 10 cities in Mercer County, WV in our database, 7 cities (70%) have a UV Index reading of Moderate, while 3 cities (30%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Bluefield, WV with a reading of 4.2.
Over the next 24 hours, the highest UV Index reading in Mercer County, WV is expected to be 10.8 in Athens between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |