Union County, NJ: Current UV Index and Hourly Forecast

As of 7:17 PM EDT on September 18, 2025, all 19 cities in Union 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 Union County, NJ is expected to be 6 in Elizabeth between 1:00 PM - 2:00 PM EDT tomorrow.

Search Cities in Union County, NJ

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Union County, NJ as of 7:17 PM EDT, September 18, 2025

Current UV Index in Cities in Union County, NJ

7:17 PM EDT, September 18, 2025