When is UV highest today in Honolulu, HI
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
7PM
11PM
2AM
5AM
8AM
LowModerateHighVery high
Hourly UV and cloud cover
UV index is unitless. Cloud cover is shown as a percentage.
HourUV indexCloud cover
9PM8Very high36%
10PM8Very high36%
11PM9Very high37%
12AM10Very high41%
1AM8Very high40%
2AM6High39%
3AM4Moderate34%
4AM2Low30%
5AM1Low27%
6AM0Low21%
7AM0Low20%
8AM0Low20%
9AM0Low21%