UV Index Today in Jefferson Parish, Louisiana (LA)
Friday, May 22, 2026 -1:41 PMCDT (GMT-5)
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The average maximum UV Index today across 24 locations in Jefferson Parish, Louisiana (LA), is 8. The highest projected maximum is 9.3 in Grand Isle at 1:00 PM CDT, while the lowest projected maximum is 7.5 in Metairie at 2:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 10.2. The highest projected maximum is 10.6 in Grand Isle at 1:00 PM CDT, and the lowest projected maximum is 10.1 in Metairie at 1:00 PM CDT.
24 Places in Jefferson Parish, Louisiana (LA)
Maximum UV Index Today