Sangamon County, IL: Current UV Index and Hourly Forecast

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As of 10:39 AM CDT on March 19, 2026, all 26 cities in Sangamon County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Springfield, IL with a reading of 2.3.

Over the next 24 hours, the highest UV Index reading in Sangamon County, IL is expected to be 5.3 in Auburn between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Sangamon County, IL

• Auburn - 2.3
• Berlin - 2.3
• Buffalo - 2.3
• Cantrall - 2.2
• Chatham - 2.3
• Clear Lake - 2.3
• Curran - 2.3
• Dawson - 2.3
• Divernon - 2.3
• Grandview - 2.3
• Illiopolis - 2.3
• Jerome - 2.3
• Leland Grove - 2.3
• Loami - 2.3
• Mechanicsburg - 2.3
• New Berlin - 2.3
• Pawnee - 2.3
• Pleasant Plains - 2.3
• Riverton - 2.3
• Rochester - 2.3
• Sherman - 2.3
• Southern View - 2.3
• Spaulding - 2.3
• Springfield - 2.3
• Thayer - 2.3
• Williamsville - 2.3