Sussex County, DE: Current UV Index and Hourly Forecast

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As of 12:12 PM EDT on June 28, 2025, all 27 cities in Sussex County, DE in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Millsboro, DE with a reading of 9.4.

Over the next 24 hours, the highest UV Index reading in Sussex County, DE is expected to be 10.1 in Slaughter Beach between 1:00 PM - 2:00 PM EDT today.

Search Cities in Sussex County, DE

Current UV Index in Cities in Sussex County, DE

• Bethany Beach - 9.4
• Bethel - 9.3
• Blades - 9.3
• Bridgeville - 9.3
• Dagsboro - 9.4
• Delmar - 9.3
• Dewey Beach - 9.4
• Ellendale - 9.3
• Fenwick Island - 9.4
• Frankford - 9.4
• Georgetown - 9.3
• Greenwood - 9.3
• Henlopen Acres - 9.4
• Laurel - 9.3
• Lewes - 9.4
• Lincoln - 9.3
• Long Neck - 9.4
• Milford - 8.2
• Millsboro - 9.4
• Millville - 9.4
• Milton - 9.4
• Ocean View - 9.4
• Rehoboth Beach - 9.4
• Seaford - 9.3
• Selbyville - 9.4
• Slaughter Beach - 9.3
• South Bethany - 9.4