Do I need sunscreen today in Chattanooga, TN
UV Index
Very high
Today's UV index is very 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
LowModerateHighVery high
Hourly UV and cloud cover
UV index is unitless. Cloud cover is shown as a percentage.
HourUV indexCloud cover
11AM0Low84%
12PM0Low84%
1PM1Low83%
2PM1Low85%
3PM2Low85%
4PM4Moderate87%
5PM6High84%
6PM8Very high81%
7PM7High77%
8PM6High71%
9PM5Moderate70%
10PM4Moderate77%
11PM2Low81%
12AM1Low80%
1AM1Low73%
2AM0Low62%
3AM0Low56%