As of 11:39 AM EDT on October 12, 2026, out of 16 cities in Sussex County, NJ in our database, 9 cities (56%) have a UV Index reading of Moderate, while 7 cities (44%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Highland Lakes, NJ with a reading of 2.9.
Over the next 24 hours, the highest UV Index reading in Sussex County, NJ is expected to be 4.5 in Hopatcong between 1:00 PM - 2:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |