Hamilton County, IN: Current UV Index and Hourly Forecast

As of 3:56 PM EDT on June 29, 2025, all 8 cities in Hamilton County, IN in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Arcadia, IN with a reading of 8.7.

Over the next 24 hours, the highest UV Index reading in Hamilton County, IN is expected to be 9.9 in Fishers between 2:00 PM - 3:00 PM EDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Hamilton County, IN as of 3:56 PM EDT, June 29, 2025

Current UV Index in Cities in Hamilton County, IN

3:56 PM EDT, June 29, 2025