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
12PM
5PM
9PM
1AM
5AM
9AM
LowModerateHighVery high
Hourly UV and cloud cover
UV index is unitless. Cloud cover is shown as a percentage.
HourUV indexCloud cover
2PM0Low18%
3PM0Low19%
4PM0Low19%
5PM0Low19%
6PM1Low23%
7PM3Moderate36%
8PM5Moderate36%
9PM7High39%
10PM8Very high33%
11PM9Very high30%
12AM10Very high31%
1AM8Very high31%
2AM6High33%
3AM4Moderate32%
4AM2Low31%
5AM1Low29%
6AM0Low27%
7AM0Low25%
8AM0Low30%
9AM0Low30%