As of 10:55 AM EDT on July 24, 2026, all 16 cities in Grant County, IN in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Gas City, IN with a reading of 3.
Over the next 24 hours, the highest UV Index reading in Grant County, IN is expected to be 6.7 in Marion 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 |