Howard County, MD: Current UV Index and Hourly Forecast

As of 11:03 PM EDT on July 3, 2025, all 10 cities in Howard 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 Howard County, MD is expected to be 9.6 in Columbia between 1:00 PM - 2:00 PM EDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Howard County, MD as of 11:03 PM EDT, July 3, 2025

Current UV Index in Cities in Howard County, MD

11:03 PM EDT, July 3, 2025