Loudoun County, VA: Current UV Index and Hourly Forecast

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As of 9:51 PM EDT on September 6, 2026, all 29 cities in Loudoun County, VA in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Loudoun County, VA is expected to be 7 in Leesburg between 1:00 PM - 2:00 PM EDT tomorrow.

Search Cities in Loudoun County, VA

Current UV Index in Cities in Loudoun County, VA

• Aldie - 0
• Arcola - 0
• Ashburn - 0
• Belmont - 0
• Brambleton - 0
• Broadlands - 0
• Cascades - 0
• Countryside - 0
• Dulles Town Center - 0
• Goose Creek Village - 0
• Hamilton - 0
• Hillsboro - 0
• Kincora - 0
• Lansdowne - 0
• Leesburg - 0
• Loudoun Valley Estates - 0
• Lovettsville - 0
• Lowes Island - 0
• Middleburg - 0
• Oak Grove - 0
• One Loudoun - 0
• Purcellville - 0
• Round Hill - 0
• South Riding - 0
• Sterling - 0
• Stone Ridge - 0
• Sugarland Run - 0
• University Center - 0
• Waterford - 0