UV Index Today in New Castle County, Delaware (DE)
Wednesday, July 15, 2026 -12:59 PM EDT (GMT-4)
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The average maximum UV Index today across 27 locations in New Castle County, Delaware (DE), is 9.7. The highest projected maximum is 9.9 in Smyrna at 1:00 PM EDT, while the lowest projected maximum is 9.6 in Wilmington at 1:00 PM EDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 7.4. The highest projected maximum is 7.7 in Wilmington at 1:00 PM EDT, and the lowest projected maximum is 6.9 in Smyrna at 1:00 PM EDT.
27 Places in New Castle County, Delaware (DE)
Maximum UV Index Today