UV Index Today in St. Tammany Parish, Louisiana (LA)
Wednesday, July 15, 2026 -12:22 PM CDT (GMT-5)
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The average maximum UV Index today across 13 locations in St. Tammany Parish, Louisiana (LA), is 7.5. The highest projected maximum is 9.4 in Madisonville at 2:00 PM CDT, while the lowest projected maximum is 5.5 in Picayune at 4:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 10.9. The highest projected maximum is 11 in Madisonville at 1:00 PM CDT, and the lowest projected maximum is 10.8 in New Orleans at 1:00 PM CDT.
13 Places in St. Tammany Parish, Louisiana (LA)
Maximum UV Index Today