Sangamon County, IL: Current UV Index and Hourly Forecast

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As of 4:06 PM CDT on October 15, 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 1.9.

Over the next 24 hours, the highest UV Index reading in Sangamon County, IL is expected to be 3.6 in Rochester between 2:00 PM - 3:00 PM CDT tomorrow.

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Current UV Index in Cities in Sangamon County, IL

• Auburn - 1.6
• Berlin - 1.9
• Buffalo - 1.7
• Cantrall - 1.8
• Chatham - 1.9
• Clear Lake - 1.7
• Curran - 1.9
• Dawson - 1.7
• Divernon - 1.6
• Grandview - 1.7
• Illiopolis - 1.7
• Jerome - 1.9
• Leland Grove - 1.9
• Loami - 1.9
• Mechanicsburg - 1.7
• New Berlin - 1.9
• Pawnee - 1.4
• Pleasant Plains - 1.9
• Riverton - 1.7
• Rochester - 1.7
• Sherman - 1.8
• Southern View - 1.9
• Spaulding - 1.7
• Springfield - 1.9
• Thayer - 1.6
• Williamsville - 1.8