As of 5:42 AM AST on March 13, 2026, all 3 cities in Arroyo 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 Arroyo Municipio, PR is expected to be 11.6 in Arroyo between 1:00 PM - 2:00 PM AST today.