As of 1:36 AM AST on March 19, 2026, all 9 cities in Caguas 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 Caguas Municipio, PR is expected to be 12.1 in Caguas between 1:00 PM - 2:00 PM AST today.