Waikoloa, Hawaii, United States UV Index Forecast

Find the UV Index forecast for today, tomorrow and the next 15 days for Waikoloa, 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
12:18 pm

Moderate5

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

As of 12:18 pm today in Waikoloa, Hawaii, United States, the UV Index is currently at a Moderate level of 5.

Summary of Hourly UV Index Forecast for Today and Tomorrow in Waikoloa, 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 5
Moderate
1 pm 6
High
2 pm 3
Moderate
3 pm 2
Low
4 pm 1
Low
5 pm 0
Low

Tomorrow

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

Daily Waikoloa UV Index Forecast for the next 15 days:

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

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