Knox County, OH: Current UV Index and Hourly Forecast

As of 8:49 AM EST on January 22, 2026, all 11 cities in Knox County, OH in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Knox County, OH is expected to be 1.8 in Mount Vernon between 1:00 PM - 2:00 PM EST today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Knox County, OH as of 8:49 AM EST, January 22, 2026

Current UV Index in Cities in Knox County, OH

8:49 AM EST, January 22, 2026