UV index in Las Vegas, NV today
The UV index in Las Vegas, NV today is 4 (moderate). Sun protection is recommended from about 11am until about 2pm.
Hourly UV estimate
Estimated from the EPA daily peak and the sun’s position. Bars show the UV index at the top of each hour.
Sun times
What to do at UV 4
Seek shade around midday, wear a hat and sunglasses, and use a broad-spectrum SPF 30 or higher sunscreen on exposed skin.
Questions
What is the UV index in Las Vegas, NV today?
Las Vegas, NV has a UV index of 4 (moderate) today, based on the EPA forecast for Monday, October 26, 2026.
When is the UV index highest in Las Vegas, NV?
Around solar noon, which is about 12:24 PM local time today. The sun is highest then, so UV rays are strongest.
Do I need sunscreen today in Las Vegas, NV?
Seek shade around midday, wear a hat and sunglasses, and use a broad-spectrum SPF 30 or higher sunscreen on exposed skin. Sun protection is recommended from about 11am until about 2pm.
How is this UV index calculated?
The daily peak comes from the EPA UV Index forecast for ZIP code 89030. The hourly bars are an estimate that scales that peak by the sun’s height in the sky, so treat them as a guide rather than a measurement.
More UV index forecasts in NV
Source: U.S. EPA SunWise and the UV Index. Sunrise, sunset and hourly values are estimates by UV Warden. Last checked 2026-10-27. See the UV index scale.