As of 2:43 PM CDT on April 1, 2025, out of 21 cities in Jefferson Parish, LA in our database, 15 cities (71%) have a UV Index reading of Low, 5 cities (24%) have a UV Index reading of Moderate, while 1 city (5%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Grand Isle, LA with a reading of 7.5.
Over the next 24 hours, the highest UV Index reading in Jefferson Parish, LA is expected to be 9.7 in Estelle between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |