As of 6:10 PM AST on June 18, 2026, all 1 cities in Mayagüez Municipio, PR in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Mayagüez, PR with a reading of 0.4.
Over the next 24 hours, the highest UV Index reading in Mayagüez Municipio, PR is expected to be 10.9 in Mayagüez between 1:00 PM - 2:00 PM AST tomorrow.