As of 12:53 AM AST on September 18, 2025, all 2 cities in Vega Alta 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 Vega Alta Municipio, PR is expected to be 5.4 in Vega Alta between 2:00 PM - 3:00 PM AST today.