As of 4:03 PM EST on March 2, 2026, all 16 cities in Grant County, IN in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Marion, IN with a reading of 1.
Over the next 24 hours, the highest UV Index reading in Grant County, IN is expected to be 1 in Marion between 4:00 PM - 5:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |