Lake County, IL: Current UV Index and Hourly Forecast

• USA →
• Illinois →
• Lake County

As of 11:03 AM CDT on May 30, 2026, out of 55 cities in Lake County, IL in our database, 47 cities (85%) have a UV Index reading of High, while 8 cities (15%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Wauconda, IL with a reading of 6.2.

Over the next 24 hours, the highest UV Index reading in Lake County, IL is expected to be 7.7 in Waukegan between 1:00 PM - 2:00 PM CDT today.

Search Cities in Lake County, IL

Current UV Index in Cities in Lake County, IL

• Antioch - 5.5
• Bannockburn - 5.4
• Beach Park - 6.1
• Buffalo Grove - 5.7
• Channel Lake - 5.6
• Deer Park - 5.7
• Deerfield - 5.4
• Forest Lake - 5.7
• Fox Lake - 5.6
• Fox Lake Hills - 5.6
• Gages Lake - 5.7
• Grandwood Park - 5.5
• Grayslake - 5.7
• Green Oaks - 5.7
• Gurnee - 5.7
• Hainesville - 5.7
• Hawthorn Woods - 5.7
• Highland Park - 5.4
• Highwood - 5.4
• Indian Creek - 5.7
• Kildeer - 5.7
• Knollwood - 5.7
• Lake Barrington - 6.2
• Lake Bluff - 5.4
• Lake Catherine - 5.6
• Lake Forest - 5.4
• Lake Villa - 5.5
• Lake Zurich - 5.7
• Libertyville - 5.7
• Lincolnshire - 5.7
• Lindenhurst - 5.5
• Long Grove - 5.7
• Long Lake - 5.6
• Mettawa - 5.7
• Mundelein - 5.7
• North Barrington - 6.2
• North Chicago - 5.4
• Old Mill Creek - 5.5
• Park City - 5.7
• Port Barrington - 6.2
• Riverwoods - 5.7
• Round Lake - 5.7
• Round Lake Beach - 5.5
• Round Lake Heights - 5.5
• Round Lake Park - 5.7
• Third Lake - 5.7
• Tower Lakes - 6.2
• Venetian Village - 5.5
• Vernon Hills - 5.7
• Volo - 6.2
• Wadsworth - 5.5
• Wauconda - 6.2
• Waukegan - 5.4
• Winthrop Harbor - 6.1
• Zion - 6.1