On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Honolulu, Honolulu County, Hawaii (HI). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.
(Updated 22 minutes ago.)
As of 1:22 PM HST, the UV Index in Honolulu, HI is 9.6 (Very High).
The UV Index is expected to fall sharply
to 7.6 (still Very High) between 2:00 PM - 3:00 PM HST today.
UV Index Data sourced from the NOAA.
As of 1:22 PM HST today in Honolulu, HI, the UV Index is currently at its highest level for the day, 9.6, which is classified as very high risk. As the day progresses, the UV index is expected to fall as the sun sets.
It will return to moderate levels at 3:00 PM and then drop to low levels again from 4:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 6:00 PM.
| Time Range | UV Index | Risk |
|---|---|---|
| 3:00 AM - 10:00 AM (HST) | 0 - 1.6 | Low |
| 10:00 AM - 11:00 AM | 4 | Moderate |
| 11:00 AM - 12:00 PM | 7.6 | Very High |
| 12:00 PM - 1:00 PM | 6.4 | High |
| 1:00 PM - 3:00 PM | 7.6 - 9.6 | Very High |
| 3:00 PM - 4:00 PM | 4.1 | Moderate |
| 4:00 PM - 12:00 AM | 0 - 2.2 | Low |
| Time Range | UV Index | Risk |
|---|---|---|
| 12:00 AM - 10:00 AM (HST) | 0 - 2.3 | Low |
| 10:00 AM - 11:00 AM | 5 | Moderate |
| 11:00 AM - 3:00 PM | 7.5 - 9.6 | Very High |
| 3:00 PM - 5:00 PM | 2.5 - 4.9 | Moderate |
| 5:00 PM - 12:00 AM | 0 - 0.7 | Low |
| Time | UV Index | Risk |
|---|---|---|
| 1:00 PM - 2:00 PM (Now, HST) | 9.6 | Very High |
| 2:00 PM - 3:00 PM | 7.6 | Very High |
| 3:00 PM - 4:00 PM | 4.1 | Moderate |
| 4:00 PM - 5:00 PM | 2.2 | Low |
| 5:00 PM - 6:00 PM | 0.8 | Low |
| 6:00 PM - 7:00 PM | 0 | Low |
| 7:00 PM - 8:00 PM | 0 | Low |
| 8:00 PM - 9:00 PM | 0 | Low |
| 9:00 PM - 10:00 PM | 0 | Low |
| 10:00 PM - 11:00 PM | 0 | Low |
| 11:00 PM - 12:00 AM | 0 | Low |