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

As of 7:10 AM EDT on July 30, 2026, all 11 cities in St. Mary's County, MD in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is California, MD with a reading of 0.2.

Over the next 24 hours, the highest UV Index reading in St. Mary's County, MD is expected to be 8.8 in St. George Island between 1:00 PM - 2:00 PM EDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in St. Mary's County, MD as of 7:10 AM EDT, July 30, 2026

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

7:10 AM EDT, July 30, 2026