Kahaluu-Keauhou, 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 Kahaluu-Keauhou, 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
12:45 PM HST

6.6Risk: High

(Updated 45 minutes ago.)

As of 12:45 PM HST, the UV Index in Kahaluu-Keauhou, HI is 6.6 (High).
The UV Index is expected to fall sharply to 2.7 (Moderate) between 1:00 PM - 2:00 PM HST today.

Hourly UV Index Forecast for Today
Friday, September 26, 2025

3 AM6 AM9 AM12 PM3 PM6 PM9 PMHawaii-Aleutian Standard Time (HST)0123456789101112Current Time: 12:45 PM, HST

UV Index Data sourced from the NOAA.


As of 12:45 PM HST today in Kahaluu-Keauhou, HI, the UV Index is currently at a high level of 6.6. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 1:00 PM and then drop to low levels again from 2:00 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 Kahaluu-Keauhou, HI

Today

Time RangeUV IndexRisk
3:00 AM - 9:00 AM (HST)0 - 1.1
Low
9:00 AM - 10:00 AM3.4
Moderate
10:00 AM - 11:00 AM6.2
High
11:00 AM - 12:00 PM7.5
Very High
12:00 PM - 1:00 PM6.6
High
1:00 PM - 2:00 PM2.7
Moderate
2:00 PM - 12:00 AM0 - 1.8
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (HST)0 - 1.2
Low
9:00 AM - 10:00 AM3.5
Moderate
10:00 AM - 11:00 AM6.4
High
11:00 AM - 12:00 PM9.4
Very High
12:00 PM - 2:00 PM11 - 11.2
Extreme
2:00 PM - 3:00 PM8.5
Very High
3:00 PM - 4:00 PM5.7
High
4:00 PM - 5:00 PM2.7
Moderate
5:00 PM - 12:00 AM0 - 0.8
Low

Detailed Hourly Kahaluu-Keauhou UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
12:00 PM - 1:00 PM (Now, HST)6.6
High
1:00 PM - 2:00 PM 2.7
Moderate
2:00 PM - 3:00 PM 1.8
Low
3:00 PM - 4:00 PM 0.9
Low
4:00 PM - 5:00 PM 0.8
Low
5:00 PM - 6:00 PM 0.3
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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