As of 1:37 PM AST on April 22, 2026, all 2 cities in Loíza Municipio, PR in our database have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Loíza, PR with a reading of 12.5.
Over the next 24 hours, the highest UV Index reading in Loíza Municipio, PR is expected to be 12.9 in Loíza between 12:00 PM - 1:00 PM AST tomorrow.