Warren County, NJ: Current UV Index and Hourly Forecast

As of 3:41 PM EDT on April 22, 2025, all 33 cities in Warren County, NJ in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Phillipsburg, NJ with a reading of 5.6.

Over the next 24 hours, the highest UV Index reading in Warren County, NJ is expected to be 7 in Hackettstown between 1:00 PM - 2:00 PM EDT tomorrow.

Search Cities in Warren County, NJ

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Warren County, NJ as of 3:41 PM EDT, April 22, 2025

Current UV Index in Cities in Warren County, NJ

3:41 PM EDT, April 22, 2025