As of 1:04 AM AST on November 14, 2026, all 1 cities in Guaynabo 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 Guaynabo Municipio, PR is expected to be 8 in Guaynabo between 12:00 PM - 1:00 PM AST today.