Grainger County, TN: Current UV Index and Hourly Forecast

As of 3:36 PM EDT on August 8, 2025, all 3 cities in Grainger County, TN in our database have a UV Index reading of Very High. The city with the highest UV Index reading right now is Blaine, TN with a reading of 8.3.

Over the next 24 hours, the highest UV Index reading in Grainger County, TN is expected to be 9.5 in Blaine between 2:00 PM - 3:00 PM EDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Grainger County, TN as of 3:36 PM EDT, August 8, 2025

Current UV Index in Cities in Grainger County, TN

3:36 PM EDT, August 8, 2025