Lake County, IL: Current UV Index and Hourly Forecast

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As of 11:18 AM CST on March 2, 2026, all 55 cities in Lake County, IL in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Round Lake Beach, IL with a reading of 3.2.

Over the next 24 hours, the highest UV Index reading in Lake County, IL is expected to be 3.5 in Buffalo Grove between 12:00 PM - 1:00 PM CST today.

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Current UV Index in Cities in Lake County, IL

• Antioch - 3.2
• Bannockburn - 3.2
• Beach Park - 3.2
• Buffalo Grove - 3.2
• Channel Lake - 3.2
• Deer Park - 3.2
• Deerfield - 3.2
• Forest Lake - 3.2
• Fox Lake - 3.2
• Fox Lake Hills - 3.2
• Gages Lake - 3.2
• Grandwood Park - 3.2
• Grayslake - 3.2
• Green Oaks - 3.2
• Gurnee - 3.2
• Hainesville - 3.2
• Hawthorn Woods - 3.2
• Highland Park - 3.2
• Highwood - 3.2
• Indian Creek - 3.2
• Kildeer - 3.2
• Knollwood - 3.2
• Lake Barrington - 3.2
• Lake Bluff - 3.2
• Lake Catherine - 3.2
• Lake Forest - 3.2
• Lake Villa - 3.2
• Lake Zurich - 3.2
• Libertyville - 3.2
• Lincolnshire - 3.2
• Lindenhurst - 3.2
• Long Grove - 3.2
• Long Lake - 3.2
• Mettawa - 3.2
• Mundelein - 3.2
• North Barrington - 3.2
• North Chicago - 3.2
• Old Mill Creek - 3.2
• Park City - 3.2
• Port Barrington - 3.2
• Riverwoods - 3.2
• Round Lake - 3.2
• Round Lake Beach - 3.2
• Round Lake Heights - 3.2
• Round Lake Park - 3.2
• Third Lake - 3.2
• Tower Lakes - 3.2
• Venetian Village - 3.2
• Vernon Hills - 3.2
• Volo - 3.2
• Wadsworth - 3.2
• Wauconda - 3.2
• Waukegan - 3.2
• Winthrop Harbor - 3.2
• Zion - 3.2