UV index today in Fort Collins, CO
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
1PM
5PM
9PM
1AM
5AM
LowModerateHighVery high
Hourly UV and cloud cover
UV index is unitless. Cloud cover is shown as a percentage.
HourUV indexCloud cover
2PM1Low9%
3PM2Low8%
4PM4Moderate7%
5PM6High8%
6PM8Very high9%
7PM9Very high10%
8PM9Very high16%
9PM10Very high23%
10PM8Very high34%
11PM5Moderate45%
12AM3Moderate52%
1AM2Low53%
2AM1Low47%
3AM0Low40%
4AM0Low34%
5AM0Low28%