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

As of 2:58 PM CDT on June 27, 2025, all 6 cities in St. John the Baptist Parish, LA in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Garyville, LA with a reading of 9.9.

Over the next 24 hours, the highest UV Index reading in St. John the Baptist Parish, LA is expected to be 10.7 in Laplace 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. John the Baptist Parish, LA as of 2:58 PM CDT, June 27, 2025

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

2:58 PM CDT, June 27, 2025