As of 1:19 PM EDT on May 30, 2026, out of 8 cities in Washington County, TN in our database, 4 cities (50%) have a UV Index reading of Very High, while 4 cities (50%) have a UV Index reading of High. The city with the highest UV Index reading right now is Oak Grove, TN with a reading of 8.6.
Over the next 24 hours, the highest UV Index reading in Washington County, TN is expected to be 9.4 in Oak Grove between 2:00 PM - 3:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |