UV index today in Chicago, IL
UV Index
Moderate
Today's UV index is moderate. Using sunscreen or other UV protection is recommended. Try to avoid direct sun exposure between 11 AM and 4 PM.
TodayTomorrow
ExtremeVery highHighModerateLow
9AM
2PM
6PM
10PM
2AM
4AM
LowModerate
Hourly UV and cloud cover
UV index is unitless. Cloud cover is shown as a percentage.
HourUV indexCloud cover
11AM0Low25%
12PM0Low41%
1PM0Low62%
2PM1Low77%
3PM1Low89%
4PM2Low90%
5PM3Moderate91%
6PM3Moderate89%
7PM3Moderate87%
8PM3Moderate83%
9PM2Low86%
10PM2Low85%
11PM1Low83%
12AM1Low78%
1AM0Low78%
2AM0Low73%
3AM0Low67%
4AM0Low61%