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

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As of 6:08 AM EDT on June 8, 2025, all 26 cities in New Castle County, DE in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in New Castle County, DE is expected to be 3.9 in Middletown between 2:00 PM - 3:00 PM EDT today.

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Current UV Index in Cities in New Castle County, DE

• Arden - 0
• Ardencroft - 0
• Ardentown - 0
• Bear - 0
• Bellefonte - 0
• Brookside - 0
• Claymont - 0
• Delaware City - 0
• Edgemoor - 0
• Elsmere - 0
• Glasgow - 0
• Greenville - 0
• Hockessin - 0
• Middletown - 0
• New Castle - 0
• Newark - 0
• Newport - 0
• North Star - 0
• Odessa - 0
• Pike Creek - 0
• Pike Creek Valley - 0
• Port Penn - 0
• St. Georges - 0
• Townsend - 0
• Wilmington - 0
• Wilmington Manor - 0