Hillsborough County, FL: Current UV Index and Hourly Forecast

As of 2:34 PM EDT on August 30, 2025, all 33 cities in Hillsborough County, FL in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Riverview, FL with a reading of 10.3.

Over the next 24 hours, the highest UV Index reading in Hillsborough County, FL is expected to be 10.5 in Tampa between 1:00 PM - 2:00 PM EDT tomorrow.

Search Cities in Hillsborough County, FL

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Hillsborough County, FL as of 2:34 PM EDT, August 30, 2025

Current UV Index in Cities in Hillsborough County, FL

2:34 PM EDT, August 30, 2025