As of 5:10 PM EDT on September 20, 2026, out of 8 cities in Hamilton County, IN in our database, 6 cities (75%) have a UV Index reading of Low, while 2 cities (25%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Carmel, IN with a reading of 2.5.
Over the next 24 hours, the highest UV Index reading in Hamilton County, IN is expected to be 2.8 in Fishers between 12:00 PM - 1:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |