As of 8:53 PM AST on August 19, 2025, all 5 cities in Hatillo 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 Hatillo Municipio, PR is expected to be 10.9 in Hatillo between 12:00 PM - 1:00 PM AST tomorrow.