Sangamon County, IL: Current UV Index and Hourly Forecast

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As of 3:27 PM CDT on May 20, 2026, out of 26 cities in Sangamon County, IL in our database, 25 cities (96%) have a UV Index reading of High, while 1 city (4%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is New Berlin, IL with a reading of 6.7.

Over the next 24 hours, the highest UV Index reading in Sangamon County, IL is expected to be 8.8 in New Berlin between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in Sangamon County, IL

• Auburn - 5.9
• Berlin - 6.7
• Buffalo - 6.3
• Cantrall - 6.6
• Chatham - 6.5
• Clear Lake - 6.3
• Curran - 6.5
• Dawson - 6.3
• Divernon - 5.9
• Grandview - 6.3
• Illiopolis - 5.5
• Jerome - 6.5
• Leland Grove - 6.5
• Loami - 6.5
• Mechanicsburg - 6.3
• New Berlin - 6.7
• Pawnee - 4.5
• Pleasant Plains - 6.7
• Riverton - 6.3
• Rochester - 6.3
• Sherman - 6.3
• Southern View - 6.5
• Spaulding - 6.3
• Springfield - 6.5
• Thayer - 5.9
• Williamsville - 6.3