UV index in Madison, WI today
The UV index in Madison, WI today is 2 (low). The UV index is expected to stay below 3 all day, so most people do not need extra sun protection.
The EPA’s latest forecast for this ZIP code is dated Tuesday, October 27, 2026.
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 2
Most people can be outside safely. Sunglasses help on bright days, and anyone who burns easily should still cover up. Snow and sand reflect UV and raise exposure.
Questions
What is the UV index in Madison, WI today?
Madison, WI has a UV index of 2 (low) today, based on the EPA forecast for Tuesday, October 27, 2026.
When is the UV index highest in Madison, WI?
Around solar noon, which is about 12:41 PM local time today. The sun is highest then, so UV rays are strongest.
Do I need sunscreen today in Madison, WI?
Most people can be outside safely. Sunglasses help on bright days, and anyone who burns easily should still cover up. Snow and sand reflect UV and raise exposure. The UV index is expected to stay below 3 all day, so most people do not need extra sun protection.
How is this UV index calculated?
The daily peak comes from the EPA UV Index forecast for ZIP code 53701. 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 WI
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.