Waialua, 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 Waialua, 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
5:13 PM HST

1.6Risk: Low

(Updated 13 minutes ago.)

As of 5:13 PM HST, the UV Index in Waialua, HI is 1.6 (Low).
The UV Index is expected to fall to 0.3 (still Low) between 6:00 PM - 7:00 PM HST today.

Hourly UV Index Forecast for Today
Friday, August 22, 2025

3 AM6 AM9 AM12 PM3 PM6 PM9 PMHawaii-Aleutian Standard Time (HST)012345678910111213Current Time: 5:13 PM, HST

UV Index Data sourced from the NOAA.

As of 5:13 PM HST today in Waialua, HI, the UV Index is currently at a low level of 1.6. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 0.3 at 6:00 PM. As the day transitions into the night, the UV Index will drop back down to 0 at 7:00 PM.

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

Today

Time RangeUV IndexRisk
3:00 AM - 9:00 AM (HST)0 - 1.4
Low
9:00 AM - 10:00 AM3.4
Moderate
10:00 AM - 11:00 AM5.8
High
11:00 AM - 12:00 PM8.8
Very High
12:00 PM - 2:00 PM12 - 12.2
Extreme
2:00 PM - 3:00 PM10.3
Very High
3:00 PM - 4:00 PM7.3
High
4:00 PM - 5:00 PM4.1
Moderate
5:00 PM - 12:00 AM0 - 1.6
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (HST)0 - 2.1
Low
10:00 AM - 11:00 AM6.6
High
11:00 AM - 12:00 PM10.2
Very High
12:00 PM - 3:00 PM10.5 - 12.3
Extreme
3:00 PM - 4:00 PM7.4
High
4:00 PM - 5:00 PM4.1
Moderate
5:00 PM - 12:00 AM0 - 1.6
Low

Detailed Hourly Waialua UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
5:00 PM - 6:00 PM (Now, HST)1.6
Low
6:00 PM - 7:00 PM 0.3
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