UV index in Grand Rapids, MI today
The UV index in Grand Rapids, MI 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 Monday, October 26, 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 Grand Rapids, MI today?
Grand Rapids, MI has a UV index of 2 (low) today, based on the EPA forecast for Monday, October 26, 2026.
When is the UV index highest in Grand Rapids, MI?
Around solar noon, which is about 1:25 PM local time today. The sun is highest then, so UV rays are strongest.
Do I need sunscreen today in Grand Rapids, MI?
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 49501. 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 MI
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.