As of 6:02 AM AST on April 28, 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 4 in Caguas between 10:00 AM - 11:00 AM AST today.