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

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As of 3:08 PM EDT on April 26, 2025, all 26 cities in New Castle County, DE in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Middletown, DE with a reading of 3.8.

Over the next 24 hours, the highest UV Index reading in New Castle County, DE is expected to be 6.9 in Newark between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in New Castle County, DE

• Arden - 3.2
• Ardencroft - 3.2
• Ardentown - 3.2
• Bear - 3.8
• Bellefonte - 3.2
• Brookside - 2.6
• Claymont - 3.2
• Delaware City - 3.1
• Edgemoor - 3.2
• Elsmere - 3.2
• Glasgow - 3.8
• Greenville - 3.2
• Hockessin - 2.6
• Middletown - 3.8
• New Castle - 3.2
• Newark - 2.6
• Newport - 3.2
• North Star - 2.6
• Odessa - 3.8
• Pike Creek - 2.6
• Pike Creek Valley - 2.6
• Port Penn - 3.1
• St. Georges - 3.8
• Townsend - 3.8
• Wilmington - 3.2
• Wilmington Manor - 3.2