St. Lucie County, FL: Current UV Index and Hourly Forecast

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As of 11:17 AM EDT on October 23, 2026, all 10 cities in St. Lucie County, FL in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Port St. Lucie, FL with a reading of 3.7.

Over the next 24 hours, the highest UV Index reading in St. Lucie County, FL is expected to be 6.5 in Indian River Estates between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in St. Lucie County, FL

• Fort Pierce - 3.7
• Fort Pierce North - 3.7
• Fort Pierce South - 3.7
• Hutchinson Island South - 3.7
• Indian River Estates - 3.7
• Lakewood Park - 3.7
• Port St. Lucie - 3.7
• River Park - 3.7
• St. Lucie Village - 3.7
• White City - 3.7