Johnson County, AR: Current UV Index and Hourly Forecast

As of 4:50 PM CDT on August 2, 2025, all 8 cities in Johnson County, AR in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Ozone, AR with a reading of 5.1.

Over the next 24 hours, the highest UV Index reading in Johnson County, AR is expected to be 8.9 in Knoxville between 1:00 PM - 2:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Johnson County, AR as of 4:50 PM CDT, August 2, 2025

Current UV Index in Cities in Johnson County, AR

4:50 PM CDT, August 2, 2025