Jefferson Parish, LA: Current UV Index and Hourly Forecast

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As of 12:43 PM CDT on June 1, 2026, out of 21 cities in Jefferson Parish, LA in our database, 20 cities (95%) have a UV Index reading of Extreme, while 1 city (5%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Marrero, LA with a reading of 10.7.

Over the next 24 hours, the highest UV Index reading in Jefferson Parish, LA is expected to be 11.2 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 - 10.5
• Barataria - 10.5
• Bridge City - 10.5
• Elmwood - 10.5
• Estelle - 10.5
• Grand Isle - 9.7
• Gretna - 10.7
• Harahan - 10.5
• Harvey - 10.7
• Jean Lafitte - 10.5
• Jefferson - 10.5
• Kenner - 10.5
• Lafitte - 10.5
• Marrero - 10.7
• Metairie - 10.5
• River Ridge - 10.5
• Terrytown - 10.7
• Timberlane - 10.7
• Waggaman - 10.5
• Westwego - 10.5
• Woodmere - 10.5