Honolulu, HI: Current UV Index and Hourly Forecast

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.

Current UV Index
1:22 PM HST

9.6Risk: Very High

(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.

Hourly UV Index Forecast for Today
Friday, October 11, 2024

3 AM6 AM9 AM12 PM3 PM6 PM9 PMHawaii-Aleutian Standard Time (HST)0123456789101112 Current Time: 1:22 PM, HST

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.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Honolulu, HI

Today

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

Tomorrow

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

Detailed Hourly Honolulu UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
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

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