Honaunau-Napoopoo, 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 Honaunau-Napoopoo, Hawaii 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
3:56 PM HST

1.7Risk: Low

(Updated 56 minutes ago.)

As of 3:56 PM HST, the UV Index in Honaunau-Napoopoo, HI is 1.7 (Low).
The UV Index is expected to fall to 0.4 (still Low) between 4:00 PM - 5:00 PM HST today.

Hourly UV Index Forecast for Today
Tuesday, January 6, 2026

3 AM6 AM9 AM12 PM3 PM6 PM9 PMHawaii-Aleutian Standard Time (HST)0123456789101112Current Time: 3:56 PM, HST

UV Index Data sourced from the NOAA.


As of 3:56 PM HST today in Honaunau-Napoopoo, HI, the UV Index is currently at a low level of 1.7. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 0.4 at 4:00 PM. 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 Honaunau-Napoopoo, HI

Today

Time RangeUV IndexRisk
3:00 AM - 11:00 AM (HST)0 - 1
Low
11:00 AM - 1:00 PM3 - 4.5
Moderate
1:00 PM - 12:00 AM0 - 2.2
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (HST)0 - 1.9
Low
10:00 AM - 3:00 PM3.6 - 5
Moderate
3:00 PM - 12:00 AM0 - 0.8
Low

Detailed Hourly Honaunau-Napoopoo UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
3:00 PM - 4:00 PM (Now, HST)1.7
Low
4:00 PM - 5:00 PM 0.4
Low
5:00 PM - 6:00 PM 0.1
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

Current UV Index in Nearby Cities