Lehigh County, PA: Current UV Index and Hourly Forecast

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As of 3:06 PM EDT on May 4, 2026, all 25 cities in Lehigh County, PA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Breinigsville, PA with a reading of 5.1.

Over the next 24 hours, the highest UV Index reading in Lehigh County, PA is expected to be 6.7 in Allentown between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Lehigh County, PA

• Alburtis - 4.8
• Allentown - 4.8
• Ancient Oaks - 4.8
• Breinigsville - 5.1
• Catasauqua - 4.9
• Cementon - 4.9
• Cetronia - 4.8
• Coopersburg - 4.8
• Coplay - 4.9
• DeSales University - 4.8
• Dorneyville - 4.8
• Egypt - 4.9
• Emmaus - 4.8
• Fountain Hill - 4.8
• Fullerton - 4.9
• Hokendauqua - 4.9
• Laurys Station - 4.9
• Macungie - 4.8
• New Tripoli - 3.4
• Schnecksville - 4.9
• Slatedale - 3.4
• Slatington - 4.9
• Stiles - 4.9
• Trexlertown - 4.8
• Wescosville - 4.8