As of 11:19 AM EDT on October 30, 2025, all 8 cities in Marion County, OH in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Marion, OH with a reading of 0.1.
Over the next 24 hours, the highest UV Index reading in Marion County, OH is expected to be 0.6 in Marion between 10:00 AM - 11:00 AM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |