St. John the Baptist Parish, LA: Current UV Index and Hourly Forecast

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As of 8:14 AM CDT on March 9, 2026, all 6 cities in St. John the Baptist Parish, LA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Laplace, LA with a reading of 0.2.

Over the next 24 hours, the highest UV Index reading in St. John the Baptist Parish, LA is expected to be 7.2 in Laplace between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in St. John the Baptist Parish, LA

• Edgard - 0.2
• Garyville - 0.2
• Laplace - 0.2
• Pleasure Bend - 0.2
• Reserve - 0.2
• Wallace - 0.2