Sussex County, NJ: Current UV Index and Hourly Forecast

As of 5:53 PM EDT on September 23, 2025, all 16 cities in Sussex County, NJ in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Layton, NJ with a reading of 0.9.

Over the next 24 hours, the highest UV Index reading in Sussex County, NJ is expected to be 3.7 in Hopatcong between 11:00 AM - 12:00 PM EDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Sussex County, NJ as of 5:53 PM EDT, September 23, 2025

Current UV Index in Cities in Sussex County, NJ

5:53 PM EDT, September 23, 2025