Loudoun County, VA: Current UV Index and Hourly Forecast

• USA →
• Virginia →
• Loudoun County

As of 12:06 AM EST on November 19, 2025, 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 2.5 in Purcellville between 12:00 PM - 1:00 PM EST today.

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