As of 2:10 PM EDT on June 19, 2026, out of 27 cities in Sussex County, DE in our database, 25 cities (93%) have a UV Index reading of Low, 1 city (4%) have a UV Index reading of Very High, while 1 city (4%) have a UV Index reading of High. The city with the highest UV Index reading right now is Milford, DE with a reading of 8.5.
Over the next 24 hours, the highest UV Index reading in Sussex County, DE is expected to be 9.8 in Seaford between 1:00 PM - 2:00 PM EDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |