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

As of 2:07 AM EDT on May 13, 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 0.9 in California between 4:00 PM - 5:00 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 2:07 AM EDT, May 13, 2025

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

2:07 AM EDT, May 13, 2025