As of 11:57 AM EST on December 4, 2025, all 7 cities in Glynn County, GA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is St. Simons, GA with a reading of 2.9.
Over the next 24 hours, the highest UV Index reading in Glynn County, GA is expected to be 3.6 in St. Simons between 12:00 PM - 1:00 PM EST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |