As of 6:42 PM EDT on April 22, 2026, all 8 cities in Salem County, NJ in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Penns Grove, NJ with a reading of 0.7.
Over the next 24 hours, the highest UV Index reading in Salem County, NJ is expected to be 6.9 in Penns Grove 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 |