As of 7:54 PM EST on January 18, 2025, all 11 cities in St. Mary's County, MD in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in St. Mary's County, MD is expected to be 0.6 in St. George Island between 11:00 AM - 12:00 PM EST tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |