Baltimore County, MD: Current UV Index and Hourly Forecast

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As of 9:42 AM EDT on September 12, 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 Dundalk, MD with a reading of 1.2.

Over the next 24 hours, the highest UV Index reading in Baltimore County, MD is expected to be 6.7 in Dundalk between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Baltimore County, MD

• Arbutus - 1.2
• Baltimore Highlands - 1.2
• Bowleys Quarters - 1.2
• Carney - 1.1
• Catonsville - 1.2
• Cockeysville - 1.1
• Dundalk - 1.2
• Edgemere - 1.2
• Essex - 1.2
• Garrison - 1.1
• Hampton - 1.1
• Honeygo - 1.1
• Kingsville - 1.1
• Lansdowne - 1.2
• Lochearn - 1.2
• Lutherville - 1.1
• Mays Chapel - 1.1
• Middle River - 1.2
• Milford Mill - 1.2
• Overlea - 1.2
• Owings Mills - 1.1
• Parkville - 1.1
• Perry Hall - 1.1
• Pikesville - 1.1
• Randallstown - 1.2
• Reisterstown - 1.1
• Rosedale - 1.2
• Rossville - 1.2
• Timonium - 1.1
• Towson - 1.1
• White Marsh - 1.1
• Woodlawn - 1.2