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

As of 2:09 PM CDT on August 13, 2026, all 12 cities in St. Mary Parish, LA in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Morgan City, LA with a reading of 10.

Over the next 24 hours, the highest UV Index reading in St. Mary Parish, LA is expected to be 10.8 in Amelia between 1:00 PM - 2:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in St. Mary Parish, LA as of 2:09 PM CDT, August 13, 2026

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

2:09 PM CDT, August 13, 2026