Chester County, PA: Current UV Index and Hourly Forecast

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As of 1:35 PM EST on January 27, 2026, out of 44 cities in Chester County, PA in our database, 28 cities (64%) have a UV Index reading of Moderate, while 16 cities (36%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Oxford, PA with a reading of 2.7.

Over the next 24 hours, the highest UV Index reading in Chester County, PA is expected to be 2.7 in Oxford between 1:00 PM - 2:00 PM EST today.

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Current UV Index in Cities in Chester County, PA

• Atglen - 2.6
• Avondale - 2.5
• Berwyn - 2.4
• Chadds Ford - 2.5
• Chesterbrook - 2.4
• Cheyney University - 2.4
• Coatesville - 2.5
• Cochranville - 2.6
• Devon - 2.4
• Dilworthtown - 2.4
• Downingtown - 2.5
• Eagle - 2.5
• Eagleview - 2.5
• Elverson - 2.2
• Exton - 2.5
• Frazer - 2.4
• Glenmoore - 2.5
• Hamorton - 2.5
• Hayti - 2.5
• Kenilworth - 2.2
• Kennett Square - 2.5
• Kimberton - 2.3
• Lincoln University - 2.7
• Lionville - 2.5
• Malvern - 2.4
• Marshallton - 2.5
• Modena - 2.5
• Nottingham - 2.7
• Oxford - 2.7
• Paoli - 2.4
• Parkesburg - 2.6
• Phoenixville - 2.3
• Pomeroy - 2.6
• Pughtown - 2.2
• Sadsburyville - 2.6
• South Coatesville - 2.5
• South Pottstown - 2.2
• Spring City - 2.3
• Thorndale - 2.5
• Toughkenamon - 2.5
• Unionville - 2.5
• West Chester - 2.4
• West Grove - 2.5
• Westwood - 2.5