New Castle County, DE: Current UV Index and Hourly Forecast

As of 1:35 PM EDT on April 21, 2025, out of 26 cities in New Castle County, DE in our database, 24 cities (92%) have a UV Index reading of High, while 2 cities (8%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Newark, DE with a reading of 6.7.

Over the next 24 hours, the highest UV Index reading in New Castle County, DE is expected to be 7.1 in Delaware City between 12:00 PM - 1:00 PM EDT tomorrow.

Search Cities in New Castle County, DE

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in New Castle County, DE as of 1:35 PM EDT, April 21, 2025

Current UV Index in Cities in New Castle County, DE

1:35 PM EDT, April 21, 2025