St. Martin Parish, LA: Current UV Index and Hourly Forecast

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As of 12:31 PM CDT on June 23, 2026, all 7 cities in St. Martin Parish, LA in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is St. Martinville, LA with a reading of 10.3.

Over the next 24 hours, the highest UV Index reading in St. Martin Parish, LA is expected to be 11.4 in St. Martinville between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in St. Martin Parish, LA

• Breaux Bridge - 10.2
• Cade - 10.2
• Catahoula - 10.3
• Cecilia - 10.3
• Henderson - 10.3
• Parks - 10.3
• St. Martinville - 10.3