Kailua-Kona, Hawaii, United States UV Index Forecast

Find the UV Index forecast for today, tomorrow and the next 15 days for Kailua-Kona, 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
4:25 am

Low0

UV INDEX

Hourly UV Index Forecast for Today
September 11, 2025

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

As of 4:25 am today in Kailua-Kona, Hawaii, United States, the UV Index is currently at a Low level of 0.

Summary of Hourly UV Index Forecast for Today and Tomorrow in Kailua-Kona, Hawaii, United States.

Today

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

Tomorrow

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

Daily Kailua-Kona UV Index Forecast for the next 15 days:

8
11 Sep
8
12 Sep
10
13 Sep
9
14 Sep
10
15 Sep
10
16 Sep
9
17 Sep
8
18 Sep
9
19 Sep
8
20 Sep
6
21 Sep
9
22 Sep
9
23 Sep
9
24 Sep
  • Low
    1-2
  • Moderate
    3-4-5
  • High
    6-7
  • Very High
    8-9-10
  • Xtreme
    11+

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