Baltimore County, MD: Current UV Index and Hourly Forecast

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As of 10:08 AM EST on January 7, 2026, all 32 cities in Baltimore County, MD in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Catonsville, MD with a reading of 0.9.

Over the next 24 hours, the highest UV Index reading in Baltimore County, MD is expected to be 1.5 in Dundalk between 1:00 PM - 2:00 PM EST today.

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Current UV Index in Cities in Baltimore County, MD

• Arbutus - 0.9
• Baltimore Highlands - 0.9
• Bowleys Quarters - 0.8
• Carney - 0.4
• Catonsville - 0.9
• Cockeysville - 0.4
• Dundalk - 0.8
• Edgemere - 0.8
• Essex - 0.8
• Garrison - 0.4
• Hampton - 0.4
• Honeygo - 0.4
• Kingsville - 0.4
• Lansdowne - 0.9
• Lochearn - 0.9
• Lutherville - 0.4
• Mays Chapel - 0.4
• Middle River - 0.8
• Milford Mill - 0.9
• Overlea - 0.8
• Owings Mills - 0.4
• Parkville - 0.4
• Perry Hall - 0.4
• Pikesville - 0.4
• Randallstown - 0.9
• Reisterstown - 0.4
• Rosedale - 0.8
• Rossville - 0.8
• Timonium - 0.4
• Towson - 0.4
• White Marsh - 0.4
• Woodlawn - 0.9