Lake County, IL: Current UV Index and Hourly Forecast

• USA →
• Illinois →
• Lake County

As of 5:02 PM CDT on June 19, 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 Wauconda, IL with a reading of 2.8.

Over the next 24 hours, the highest UV Index reading in Lake County, IL is expected to be 9.1 in Round Lake Beach between 1:00 PM - 2:00 PM CDT tomorrow.

Search Cities in Lake County, IL

Current UV Index in Cities in Lake County, IL

• Antioch - 2.7
• Bannockburn - 2.7
• Beach Park - 2.7
• Buffalo Grove - 2.7
• Channel Lake - 2.8
• Deer Park - 2.7
• Deerfield - 2.7
• Forest Lake - 2.7
• Fox Lake - 2.8
• Fox Lake Hills - 2.8
• Gages Lake - 2.7
• Grandwood Park - 2.7
• Grayslake - 2.7
• Green Oaks - 2.7
• Gurnee - 2.7
• Hainesville - 2.7
• Hawthorn Woods - 2.7
• Highland Park - 2.7
• Highwood - 2.7
• Indian Creek - 2.7
• Kildeer - 2.7
• Knollwood - 2.7
• Lake Barrington - 2.8
• Lake Bluff - 2.7
• Lake Catherine - 2.8
• Lake Forest - 2.7
• Lake Villa - 2.7
• Lake Zurich - 2.7
• Libertyville - 2.7
• Lincolnshire - 2.7
• Lindenhurst - 2.7
• Long Grove - 2.7
• Long Lake - 2.8
• Mettawa - 2.7
• Mundelein - 2.7
• North Barrington - 2.8
• North Chicago - 2.7
• Old Mill Creek - 2.7
• Park City - 2.7
• Port Barrington - 2.8
• Riverwoods - 2.7
• Round Lake - 2.7
• Round Lake Beach - 2.7
• Round Lake Heights - 2.7
• Round Lake Park - 2.7
• Third Lake - 2.7
• Tower Lakes - 2.8
• Venetian Village - 2.7
• Vernon Hills - 2.7
• Volo - 2.8
• Wadsworth - 2.7
• Wauconda - 2.8
• Waukegan - 2.7
• Winthrop Harbor - 2.7
• Zion - 2.7