As of 6:28 PM AST on September 17, 2025, all 1 cities in Mayagüez Municipio, PR in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Mayagüez Municipio, PR is expected to be 5.6 in Mayagüez between 3:00 PM - 4:00 PM AST tomorrow.