Kapa'a, Hawaii, United States UV Index Forecast

Find the UV Index forecast for today, tomorrow and the next 15 days for Kapa'a, Hawaii, United States, The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated hourly.

Current UV Index
8:05 am

Low1

UV INDEX

Hourly UV Index Forecast for Today
July 16, 2025

0
7 am
1
8 am
3
9 am
7
10 am
8
11 am
7
12 pm
10
1 pm
10
2 pm
9
3 pm
8
4 pm
6
5 pm
4
6 pm
  • Low
    1-2
  • Moderate
    3-4-5
  • High
    6-7
  • Very High
    8-9-10
  • Xtreme
    11+

As of 8:05 am today in Kapa'a, Hawaii, United States, the UV Index is currently at a Low level of 1.

Summary of Hourly UV Index Forecast for Today and Tomorrow in Kapa'a, Hawaii, United States.

Today

Time Range UV Index Risk
7 am 0
Low
8 am 1
Low
9 am 3
Moderate
10 am 7
High
11 am 8
Very High
12 pm 7
High
1 pm 10
Very High
2 pm 10
Very High
3 pm 9
Very High
4 pm 8
Very High
5 pm 6
High
6 pm 4
Moderate

Tomorrow

Time Range UV Index Risk
7 am 0
Low
8 am 1
Low
9 am 5
Moderate
10 am 7
High
11 am 9
Very High
12 pm 10
Very High
1 pm 10
Very High
2 pm 10
Very High
3 pm 9
Very High
4 pm 7
High
5 pm 5
Moderate
6 pm 3
Moderate

Daily Kapa'a UV Index Forecast for the next 15 days:

10
16 Jul
10
17 Jul
9
18 Jul
10
19 Jul
10
20 Jul
10
21 Jul
7
22 Jul
9
23 Jul
10
24 Jul
10
25 Jul
10
26 Jul
9
27 Jul
9
28 Jul
8
29 Jul
  • Low
    1-2
  • Moderate
    3-4-5
  • High
    6-7
  • Very High
    8-9-10
  • Xtreme
    11+

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