As of 10:40 AM AST on July 16, 2026, all 2 cities in Cayey Municipio, PR in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is G. L. García, PR with a reading of 3.8.
Over the next 24 hours, the highest UV Index reading in Cayey Municipio, PR is expected to be 11 in G. L. García between 1:00 PM - 2:00 PM AST today.