Montgomery County, MD: Current UV Index and Hourly Forecast

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As of 12:25 PM EDT on March 20, 2026, all 58 cities in Montgomery County, MD in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Silver Spring, MD with a reading of 4.1.

Over the next 24 hours, the highest UV Index reading in Montgomery County, MD is expected to be 4.7 in Silver Spring between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Montgomery County, MD

• Ashton-Sandy Spring - 4
• Aspen Hill - 4.1
• Barnesville - 3.9
• Bethesda - 4.1
• Brookeville - 4
• Brookmont - 4.1
• Burnt Mills - 4.1
• Burtonsville - 4.1
• Cabin John - 4.1
• Calverton - 4.1
• Chevy Chase - 4.1
• Chevy Chase Section Five - 4.1
• Chevy Chase Section Three - 4.1
• Chevy Chase View - 4.1
• Chevy Chase Village - 4.1
• Clarksburg - 3.8
• Cloverly - 4.1
• Colesville - 4.1
• Damascus - 3.8
• Darnestown - 4.1
• Derwood - 4.1
• Fairland - 4.1
• Flower Hill - 3.8
• Forest Glen - 4.1
• Four Corners - 4.1
• Friendship Heights Village - 4.1
• Gaithersburg - 3.8
• Garrett Park - 4.1
• Germantown - 3.8
• Glen Echo - 4.1
• Glenmont - 4.1
• Hillandale - 4.1
• Kemp Mill - 4.1
• Kensington - 4.1
• Layhill - 4.1
• Laytonsville - 3.8
• Leisure World - 4.1
• Martin's Additions - 4.1
• Montgomery Village - 3.8
• North Bethesda - 4.1
• North Chevy Chase - 4.1
• North Kensington - 4.1
• North Potomac - 4.1
• Olney - 4
• Poolesville - 3.9
• Potomac - 4.1
• Redland - 3.8
• Rockville - 4.1
• Silver Spring - 4.1
• Somerset - 4.1
• South Kensington - 4.1
• Spencerville - 4.1
• Takoma Park - 4.1
• Ten Mile Creek - 3.8
• Travilah - 4.1
• Washington Grove - 3.8
• Wheaton - 4.1
• White Oak - 4.1