As of 2:08 PM EDT on May 18, 2025, out of 16 cities in Grant County, IN in our database, 15 cities (94%) have a UV Index reading of Very High, while 1 city (6%) have a UV Index reading of High. The city with the highest UV Index reading right now is Marion, IN with a reading of 8.1.
Over the next 24 hours, the highest UV Index reading in Grant County, IN is expected to be 8.1 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 |