Hillsborough County, FL: Current UV Index and Hourly Forecast

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As of 9:20 AM EST on January 23, 2026, all 33 cities in Hillsborough County, FL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Riverview, FL with a reading of 1.3.

Over the next 24 hours, the highest UV Index reading in Hillsborough County, FL is expected to be 5.6 in Riverview between 12:00 PM - 1:00 PM EST today.

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Current UV Index in Cities in Hillsborough County, FL

• Apollo Beach - 1.2
• Balm - 1.3
• Bloomingdale - 1.2
• Brandon - 1.2
• Carrollwood - 1.2
• Cheval - 1.2
• Citrus Park - 1.2
• Dover - 1.2
• East Lake-Orient Park - 1.2
• Egypt Lake-Leto - 1.2
• Fish Hawk - 1.3
• Gibsonton - 1.2
• Keystone - 1.2
• Lake Magdalene - 1.2
• Lutz - 1.2
• Mango - 1.2
• Northdale - 1.2
• Palm River-Clair Mel - 1.2
• Pebble Creek - 1.2
• Plant City - 1.3
• Progress Village - 1.2
• Riverview - 1.3
• Ruskin - 1.2
• Seffner - 1.2
• Sun City Center - 1.3
• Tampa - 1.2
• Temple Terrace - 1.2
• Thonotosassa - 1.2
• Town 'n' Country - 1.2
• University - 1.2
• Valrico - 1.2
• Westchase - 1.2
• Wimauma - 1.3