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

As of 11:34 AM EDT on June 28, 2025, all 26 cities in New Castle County, DE in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Wilmington, DE with a reading of 6.5.

Over the next 24 hours, the highest UV Index reading in New Castle County, DE is expected to be 9.3 in Delaware City between 1:00 PM - 2:00 PM EDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in New Castle County, DE as of 11:34 AM EDT, June 28, 2025

Current UV Index in Cities in New Castle County, DE

11:34 AM EDT, June 28, 2025