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

As of 7:49 PM CDT on July 10, 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 Garyville, 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 11.2 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 7:49 PM CDT, July 10, 2026

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

7:49 PM CDT, July 10, 2026