UV Index Today in St. Lucie County, Florida (FL)

Sunday, September 20, 2026 -12:23 PM EDT (GMT-4)

The average maximum UV Index today across 15 locations in St. Lucie County, Florida (FL), is 9.5. The highest projected maximum is 9.5 in Port St. Lucie at 1:00 PM EDT, while the lowest projected maximum is 9.4 in Fort Pierce at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 9.3. The highest projected maximum is 9.3 in Port St. Lucie at 1:00 PM EDT, and the lowest projected maximum is 9.2 in Fort Pierce at 1:00 PM EDT.

15 Places in St. Lucie County, Florida (FL)

Maximum UV Index Today
  • Port St. Lucie - 9.5