Lake County, IN: Current UV Index and Hourly Forecast

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As of 12:55 PM CDT on September 11, 2026, all 22 cities in Lake County, IN in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Shelby, IN with a reading of 6.4.

Over the next 24 hours, the highest UV Index reading in Lake County, IN is expected to be 6.7 in Hammond between 1:00 PM - 2:00 PM CDT today.

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Current UV Index in Cities in Lake County, IN

• Cedar Lake - 6.3
• Crown Point - 6.3
• Dyer - 6.3
• East Chicago - 6.3
• Gary - 6.3
• Griffith - 6.3
• Hammond - 6.3
• Highland - 6.3
• Hobart - 6.3
• Lake Dalecarlia - 6.3
• Lake Station - 6.3
• Lakes of the Four Seasons - 6.3
• Lowell - 6.3
• Merrillville - 6.3
• Munster - 6.3
• New Chicago - 6.3
• Schererville - 6.3
• Schneider - 6.3
• Shelby - 6.4
• St. John - 6.3
• Whiting - 6.3
• Winfield - 6.3