Makakilo, 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 Makakilo, 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
2:40 PM HST

11Risk: Extreme

(Updated 40 minutes ago.)

As of 2:40 PM HST, the UV Index in Makakilo, HI is 11 (Extreme).
The UV Index is expected to fall sharply to 7.7 (Very High) between 3:00 PM - 4:00 PM HST today.

Hourly UV Index Forecast for Today
Friday, August 21, 2026

3 AM6 AM9 AM12 PM3 PM6 PM9 PMHawaii-Aleutian Standard Time (HST)012345678910111213Current Time: 2:40 PM, HST

UV Index Data sourced from the NOAA.


As of 2:40 PM HST today in Makakilo, HI, the UV Index is currently at an extreme level of 11. 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 Makakilo, HI

Today

Time RangeUV IndexRisk
3:00 AM - 9:00 AM (HST)0 - 1.5
Low
9:00 AM - 10:00 AM4.1
Moderate
10:00 AM - 11:00 AM7.4
High
11:00 AM - 3:00 PM10.8 - 12.9
Extreme
3:00 PM - 4:00 PM7.7
Very High
4:00 PM - 5:00 PM4.3
Moderate
5:00 PM - 12:00 AM0 - 1.6
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (HST)0 - 1.5
Low
9:00 AM - 10:00 AM4
Moderate
10:00 AM - 11:00 AM7.4
High
11:00 AM - 3:00 PM10.5 - 12.6
Extreme
3:00 PM - 4:00 PM7.5
Very High
4:00 PM - 5:00 PM4.2
Moderate
5:00 PM - 12:00 AM0 - 1.6
Low

Detailed Hourly Makakilo UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, HST)11
Extreme
3:00 PM - 4:00 PM 7.7
Very High
4:00 PM - 5:00 PM 4.3
Moderate
5:00 PM - 6:00 PM 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

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