As of 9:59 AM AST on June 16, 2025, all 3 cities in Guayanilla Municipio, PR in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Guayanilla, PR with a reading of 2.7.
Over the next 24 hours, the highest UV Index reading in Guayanilla Municipio, PR is expected to be 10.4 in Guayanilla between 1:00 PM - 2:00 PM AST today.