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

As of 10:10 AM CDT on March 29, 2026, all 6 cities in St. John the Baptist Parish, LA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Laplace, LA with a reading of 3.5.

Over the next 24 hours, the highest UV Index reading in St. John the Baptist Parish, LA is expected to be 5.7 in Laplace between 11:00 AM - 12:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in St. John the Baptist Parish, LA as of 10:10 AM CDT, March 29, 2026

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

10:10 AM CDT, March 29, 2026