St. Mary's County, MD: Current UV Index and Hourly Forecast

As of 4:34 AM EDT on July 10, 2026, 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 9.8 in St. George Island between 1:00 PM - 2:00 PM EDT today.

Search Cities in St. Mary's County, MD

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in St. Mary's County, MD as of 4:34 AM EDT, July 10, 2026

Current UV Index in Cities in St. Mary's County, MD

4:34 AM EDT, July 10, 2026