As of 4:40 PM AST on April 26, 2025, all 5 cities in Río Grande Municipio, PR in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Río Grande, PR with a reading of 3.8.
Over the next 24 hours, the highest UV Index reading in Río Grande Municipio, PR is expected to be 12.5 in Río Grande between 12:00 PM - 1:00 PM AST tomorrow.