Jefferson Parish, LA: Current UV Index and Hourly Forecast

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As of 8:57 AM CDT on October 9, 2025, all 21 cities in Jefferson Parish, LA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Grand Isle, LA with a reading of 0.3.

Over the next 24 hours, the highest UV Index reading in Jefferson Parish, LA is expected to be 7.7 in Grand Isle between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Jefferson Parish, LA

• Avondale - 0.2
• Barataria - 0.2
• Bridge City - 0.2
• Elmwood - 0.2
• Estelle - 0.2
• Grand Isle - 0.3
• Gretna - 0.2
• Harahan - 0.2
• Harvey - 0.2
• Jean Lafitte - 0.2
• Jefferson - 0.2
• Kenner - 0.2
• Lafitte - 0.2
• Marrero - 0.2
• Metairie - 0.2
• River Ridge - 0.2
• Terrytown - 0.2
• Timberlane - 0.2
• Waggaman - 0.2
• Westwego - 0.2
• Woodmere - 0.2