UV index today in Grand Rapids, MI
UV Index
High
Today's UV index is high. If working or spending time outdoors, wear UV protective clothing, use sunscreen, and try to avoid direct sun exposure between 11 AM and 4 PM.
TodayTomorrow
ExtremeVery highHighModerateLow
10AM
2PM
6PM
10PM
2AM
LowModerateHigh
Hourly UV and cloud cover
UV index is unitless. Cloud cover is shown as a percentage.
HourUV indexCloud cover
11AM0Low22%
12PM0Low21%
1PM1Low16%
2PM2Low13%
3PM3Moderate13%
4PM4Moderate19%
5PM5Moderate27%
6PM6High37%
7PM5Moderate42%
8PM4Moderate46%
9PM3Moderate48%
10PM2Low52%
11PM1Low50%
12AM1Low49%
1AM0Low60%
2AM0Low60%
3AM0Low60%