Jefferson Parish, LA: Current UV Index and Hourly Forecast

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As of 1:58 PM CDT on June 21, 2026, all 21 cities in Jefferson Parish, LA in our database have a UV Index reading of Extreme. The city with the highest UV Index reading right now is Metairie, LA with a reading of 11.7.

Over the next 24 hours, the highest UV Index reading in Jefferson Parish, LA is expected to be 11.7 in Metairie between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Jefferson Parish, LA

• Avondale - 11.7
• Barataria - 11.5
• Bridge City - 11.7
• Elmwood - 11.7
• Estelle - 11.5
• Grand Isle - 11.5
• Gretna - 11.7
• Harahan - 11.7
• Harvey - 11.7
• Jean Lafitte - 11.5
• Jefferson - 11.7
• Kenner - 11.7
• Lafitte - 11.5
• Marrero - 11.7
• Metairie - 11.7
• River Ridge - 11.7
• Terrytown - 11.7
• Timberlane - 11.7
• Waggaman - 11.7
• Westwego - 11.7
• Woodmere - 11.5