Puerto Rico (PR): Current UV Index and Hourly Forecast

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As of 5:36 PM AST on January 31, 2026, all 281 cities in Puerto Rico in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Aguadilla, PR with a reading of 0.6.

Over the next 24 hours, the highest UV Index reading in Puerto Rico is expected to be 8.7 in Cayey between 12:00 PM - 1:00 PM AST tomorrow.

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Current UV Index in Major Cities in Puerto Rico (PR)

5:36 PM AST, January 31, 2026