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
2:34 PM HST

5.4Risk: Moderate

(Updated 34 minutes ago.)

As of 2:34 PM HST, the UV Index in Kahaluu-Keauhou, HI is 5.4 (Moderate).
The UV Index is expected to fall sharply to 3.8 (still Moderate) between 3:00 PM - 4:00 PM HST today.

Hourly UV Index Forecast for Today
Saturday, February 21, 2026

3 AM6 AM9 AM12 PM3 PM6 PM9 PMHawaii-Aleutian Standard Time (HST)0123456789101112Current Time: 2:34 PM, HST

UV Index Data sourced from the NOAA.


As of 2:34 PM HST today in Kahaluu-Keauhou, HI, the UV Index is currently at a moderate level of 5.4. 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 Kahaluu-Keauhou, HI

Today

Time RangeUV IndexRisk
3:00 AM - 11:00 AM (HST)0 - 1
Low
11:00 AM - 1:00 PM4.7 - 5.3
Moderate
1:00 PM - 2:00 PM5.7
High
2:00 PM - 4:00 PM3.8 - 5.4
Moderate
4:00 PM - 12:00 AM0 - 1.8
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (HST)0 - 0.9
Low
9:00 AM - 11:00 AM2.7 - 5.4
Moderate
11:00 AM - 3:00 PM7.6 - 9.4
Very High
3:00 PM - 4:00 PM4.9
Moderate
4:00 PM - 12:00 AM0 - 2.3
Low

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

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, HST)5.4
Moderate
3:00 PM - 4:00 PM 3.8
Moderate
4:00 PM - 5:00 PM 1.8
Low
5:00 PM - 6:00 PM 0.7
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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