As of 2:36 PM CDT on September 12, 2026, out of 9 cities in Washington County, MS in our database, 8 cities (89%) have a UV Index reading of Very High, while 1 city (11%) have a UV Index reading of High. The city with the highest UV Index reading right now is Hollandale, MS with a reading of 7.8.
Over the next 24 hours, the highest UV Index reading in Washington County, MS is expected to be 8.5 in Glen Allan between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |