Will County, IL: Current UV Index and Hourly Forecast

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As of 4:45 PM CDT on July 2, 2026, all 46 cities in Will County, IL in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Joliet, IL with a reading of 5.2.

Over the next 24 hours, the highest UV Index reading in Will County, IL is expected to be 9.8 in Bolingbrook between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in Will County, IL

• Andres - 5.1
• Arbury Hills - 5.1
• Beecher - 5.1
• Bolingbrook - 5.1
• Bonnie Brae - 5.1
• Braceville - 5.1
• Braidwood - 5.1
• Channahon - 5.2
• Crest Hill - 5.1
• Crete - 5
• Crystal Lawns - 5.2
• Custer Park - 5.1
• Eagle Lake - 5.1
• Elwood - 5.2
• Fairmont - 5.1
• Frankfort - 5.1
• Frankfort Square - 5.1
• Godley - 5.1
• Goodenow - 5.1
• Homer Glen - 5.1
• Ingalls Park - 5.1
• Joliet - 5.2
• Lakewood Shores - 5.1
• Lockport - 5.1
• Lockport Heights - 5.1
• Lorenzo - 5.1
• Manhattan - 5.1
• Marley - 5.1
• Mokena - 5.1
• Monee - 5.1
• New Lenox - 5.1
• Peotone - 5
• Plainfield - 5.2
• Plum Valley - 5
• Preston Heights - 5.1
• Rest Haven - 5.1
• Ridgewood - 5.1
• Ritchie - 5.1
• Rockdale - 5.1
• Romeoville - 5.1
• Shorewood - 5.2
• Sunnyland - 5.2
• Symerton - 5.1
• University Park - 5.1
• Wilmington - 5.1
• Wilton Center - 5.1