Harford County, MD: Current UV Index and Hourly Forecast

As of 1:17 AM EDT on May 20, 2026, all 16 cities in Harford 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 Harford County, MD is expected to be 9.4 in Fallston 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 Harford County, MD as of 1:17 AM EDT, May 20, 2026

Current UV Index in Cities in Harford County, MD

1:17 AM EDT, May 20, 2026