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
3:16 PM HST

7.3Risk: High

(Updated 16 minutes ago.)

As of 3:16 PM HST, the UV Index in Kahaluu-Keauhou, HI is 7.3 (High).
The UV Index is expected to fall sharply to 3.2 (Moderate) between 4:00 PM - 5:00 PM HST today.

Hourly UV Index Forecast for Today
Wednesday, July 2, 2025

3 AM6 AM9 AM12 PM3 PM6 PM9 PMHawaii-Aleutian Standard Time (HST)012345678910111213Current Time: 3:16 PM, HST

UV Index Data sourced from the NOAA.


As of 3:16 PM HST today in Kahaluu-Keauhou, HI, the UV Index is currently at a high level of 7.3. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 4:00 PM and then drop to low levels again from 5:00 PM onwards. 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 Kahaluu-Keauhou, HI

Today

Time RangeUV IndexRisk
3:00 AM - 9:00 AM (HST)0 - 2.2
Low
9:00 AM - 10:00 AM5
Moderate
10:00 AM - 11:00 AM8.3
Very High
11:00 AM - 3:00 PM10.7 - 12.9
Extreme
3:00 PM - 4:00 PM7.3
High
4:00 PM - 5:00 PM3.2
Moderate
5:00 PM - 12:00 AM0 - 1.4
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (HST)0 - 2.1
Low
9:00 AM - 10:00 AM4.8
Moderate
10:00 AM - 11:00 AM8.2
Very High
11:00 AM - 2:00 PM11.3 - 13
Extreme
2:00 PM - 3:00 PM9.5
Very High
3:00 PM - 5:00 PM2.5 - 5.3
Moderate
5:00 PM - 12:00 AM0 - 0.9
Low

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

Download CSV (Excel) ↓
TimeUV IndexRisk
3:00 PM - 4:00 PM (Now, HST)7.3
High
4:00 PM - 5:00 PM 3.2
Moderate
5:00 PM - 6:00 PM 1.4
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

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