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

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As of 5:03 PM CDT on March 25, 2026, all 12 cities in St. Mary Parish, LA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Sorrel, LA with a reading of 1.8.

Over the next 24 hours, the highest UV Index reading in St. Mary Parish, LA is expected to be 9.3 in Morgan City between 1:00 PM - 2:00 PM CDT tomorrow.

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

• Amelia - 1.6
• Baldwin - 1.7
• Bayou Vista - 1.7
• Berwick - 1.7
• Centerville - 1.7
• Charenton - 1.7
• Franklin - 1.7
• Glencoe - 1.8
• Morgan City - 1.7
• Patterson - 1.7
• Siracusaville - 1.7
• Sorrel - 1.8