Collier County, FL: Current UV Index and Hourly Forecast

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As of 1:50 PM EDT on September 18, 2026, all 23 cities in Collier County, FL in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Marco Island, FL with a reading of 9.6.

Over the next 24 hours, the highest UV Index reading in Collier County, FL is expected to be 9.6 in Marco Island between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Collier County, FL

• Ave Maria - 9.4
• Berkshire Lakes - 9.5
• Chokoloskee - 9.5
• Everglades - 9.4
• Golden Gate - 9.5
• Goodland - 9.6
• Heritage Bay - 9.5
• Immokalee - 9.4
• Island Walk - 9.5
• Lely - 9.6
• Lely Resort - 9.6
• Marco Island - 9.6
• Marco Shores-Hammock Bay - 9.6
• Naples - 9.5
• Naples Manor - 9.6
• Naples Park - 9.5
• Orangetree - 9.4
• Pelican Bay - 9.5
• Pelican Marsh - 9.5
• Plantation Island - 9.4
• Verona Walk - 9.6
• Vineyards - 9.5
• Winding Cypress - 9.6