As of 2:59 AM EDT on May 13, 2025, all 16 cities in Sussex County, NJ in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Sussex County, NJ is expected to be 2.9 in Highland Lakes between 11:00 AM - 12:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |