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

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As of 9:03 AM AST on August 31, 2026, out of 281 cities in Puerto Rico in our database, 164 cities (58%) have a UV Index reading of Low, while 117 cities (42%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Culebra, PR with a reading of 4.

Over the next 24 hours, the highest UV Index reading in Puerto Rico is expected to be 11.8 in Esperanza between 12:00 PM - 1:00 PM AST today.

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

9:03 AM AST, August 31, 2026