As of 3:05 PM EDT on May 4, 2026, out of 10 cities in Harrison County, OH in our database, 9 cities (90%) have a UV Index reading of Moderate, while 1 city (10%) have a UV Index reading of High. The city with the highest UV Index reading right now is Scio, OH with a reading of 5.7.
Over the next 24 hours, the highest UV Index reading in Harrison County, OH is expected to be 5.7 in Scio between 3:00 PM - 4:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |