UV index today in Boulder, CO | Fit Check

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

8PM

11PM

2AM

5AM

LowModerateHigh

Hourly UV and cloud cover

UV index is unitless. Cloud cover is shown as a percentage.

Peak UV 6

HourUV indexCloud cover

9PM6High75%

10PM4Moderate78%

11PM3Moderate75%

12AM2Low73%

1AM1Low74%

2AM1Low75%

3AM0Low71%

4AM0Low66%

5AM0Low66%