San Juan Municipio, PR: Current UV Index and Hourly Forecast

As of 9:08 AM AST on September 9, 2025, all 2 cities in San Juan Municipio, PR in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is San Juan, PR with a reading of 3.6.

Over the next 24 hours, the highest UV Index reading in San Juan Municipio, PR is expected to be 11.5 in San Juan between 1:00 PM - 2:00 PM AST today.

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Current UV Index in Cities in San Juan Municipio, PR

9:08 AM AST, September 9, 2025