As of 9:15 AM AST on July 17, 2026, all 1 cities in Mayagüez Municipio, PR in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Mayagüez, PR with a reading of 4.
Over the next 24 hours, the highest UV Index reading in Mayagüez Municipio, PR is expected to be 9.3 in Mayagüez between 11:00 AM - 12:00 PM AST today.