As of 12:13 PM EDT on September 21, 2025, out of 8 cities in Madison County, OH in our database, 5 cities (63%) have a UV Index reading of Moderate, while 3 cities (38%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Mount Sterling, OH with a reading of 4.1.
Over the next 24 hours, the highest UV Index reading in Madison County, OH is expected to be 5.3 in West Jefferson between 2:00 PM - 3:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |