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
LowModerateHighVery high
Hourly UV and cloud cover
UV index is unitless. Cloud cover is shown as a percentage.
HourUV indexCloud cover
0Low14%
0Low19%
0Low25%
0Low20%
0Low13%
3Moderate15%
5Moderate15%
7High20%
8Very high25%
9Very high29%
10Very high32%
8Very high35%
5Moderate34%
3Moderate34%
2Low33%
1Low33%
0Low27%
0Low28%
0Low24%
0Low26%