Baltimore County, MD: Current UV Index and Hourly Forecast

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As of 2:08 PM EDT on April 4, 2026, all 32 cities in Baltimore County, MD in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Catonsville, MD with a reading of 6.3.

Over the next 24 hours, the highest UV Index reading in Baltimore County, MD is expected to be 6.3 in Catonsville between 2:00 PM - 3:00 PM EDT today.

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Current UV Index in Cities in Baltimore County, MD

• Arbutus - 6.3
• Baltimore Highlands - 6.3
• Bowleys Quarters - 5.9
• Carney - 6.1
• Catonsville - 6.3
• Cockeysville - 6.2
• Dundalk - 5.9
• Edgemere - 5.9
• Essex - 5.9
• Garrison - 6.2
• Hampton - 6.1
• Honeygo - 6.1
• Kingsville - 6.1
• Lansdowne - 6.3
• Lochearn - 6.3
• Lutherville - 6.1
• Mays Chapel - 6.2
• Middle River - 5.9
• Milford Mill - 6.3
• Overlea - 5.9
• Owings Mills - 6.2
• Parkville - 6.1
• Perry Hall - 6.1
• Pikesville - 6.2
• Randallstown - 6.3
• Reisterstown - 6.2
• Rosedale - 5.9
• Rossville - 5.9
• Timonium - 6.1
• Towson - 6.1
• White Marsh - 6.1
• Woodlawn - 6.3