Washington County, MD: Current UV Index and Hourly Forecast

As of 2:40 AM EDT on March 11, 2026, all 61 cities in Washington 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 Washington County, MD is expected to be 5.4 in Mount Aetna between 1:00 PM - 2:00 PM EDT today.

Search Cities in Washington County, MD

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Washington County, MD as of 2:40 AM EDT, March 11, 2026

Current UV Index in Cities in Washington County, MD

2:40 AM EDT, March 11, 2026