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

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As of 1:27 PM AST on September 20, 2026, out of 281 cities in Puerto Rico in our database, 174 cities (62%) have a UV Index reading of Extreme, while 107 cities (38%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Yauco, PR with a reading of 11.2.

Over the next 24 hours, the highest UV Index reading in Puerto Rico is expected to be 11.2 in Yauco between 1:00 PM - 2:00 PM AST today.

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

1:27 PM AST, September 20, 2026