Frederick County, MD: Current UV Index and Hourly Forecast

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As of 7:25 AM EDT on April 22, 2025, all 27 cities in Frederick County, MD in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Frederick, MD with a reading of 0.1.

Over the next 24 hours, the highest UV Index reading in Frederick County, MD is expected to be 7.3 in Green Valley between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Frederick County, MD

• Adamstown - 0.1
• Ballenger Creek - 0.1
• Bartonsville - 0.1
• Braddock Heights - 0.1
• Brunswick - 0.1
• Buckeystown - 0.1
• Burkittsville - 0.1
• Emmitsburg - 0.1
• Frederick - 0.1
• Graceham - 0.1
• Green Valley - 0.1
• Jefferson - 0.1
• Lewistown - 0.1
• Libertytown - 0.1
• Linganore - 0.1
• Middletown - 0.1
• Monrovia - 0.1
• Myersville - 0.1
• New Market - 0.1
• Point of Rocks - 0.1
• Rosemont - 0.1
• Sabillasville - 0.1
• Spring Ridge - 0.1
• Thurmont - 0.1
• Urbana - 0.1
• Walkersville - 0.1
• Woodsboro - 0.1