UV Index for Waialua, HI

Current Waialua UV Index

0 (Low)

Last Updated 33 minutes ago

Hourly Waialua UV Index

The hourly Waialua, HI UV Index forecast for Thursday, September 18th, 2025.

5 Day Hourly Waialua UV Index Forecast

Last Updated 20 hours ago

The UV index forecast for the next five days in Waialua, HI has 2 days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Waialua over the next five days will be 11.1 on Thursday, September 18th at 1:00 pm.

The UV index forecast for Thursday, September 18th in Waialua, HI is below.

Time UV Index Risk
5am 0
Low
6am 0
Low
7am 0.1
Low
8am 0.7
Low
9am 3
Moderate
10am 6
High
11am 9
Very High
12pm 11
Extreme
1pm 11.1
Extreme
2pm 9.4
Very High
3pm 6.4
High
4pm 3.4
Moderate
5pm 1.2
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 19th in Waialua, HI is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 1
Low
9am 3
Moderate
10am 6
High
11am 9
Very High
12pm 11
Extreme
1pm 11.1
Extreme
2pm 9.3
Very High
3pm 6.4
High
4pm 3.4
Moderate
5pm 1.2
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Waialua, HI is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.1
Low
8am 1
Low
9am 3
Moderate
10am 5.8
Moderate
11am 8.8
Very High
12pm 10.6
Very High
1pm 10.8
Very High
2pm 9
Very High
3pm 6.2
High
4pm 3.3
Moderate
5pm 1.2
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in Waialua, HI is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low