As of 5:25 PM AST on September 15, 2025, all 2 cities in Cayey Municipio, PR in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is G. L. García, PR with a reading of 0.7.
Over the next 24 hours, the highest UV Index reading in Cayey Municipio, PR is expected to be 11.8 in Cayey between 12:00 PM - 1:00 PM AST tomorrow.