UV Index for Wailuku, HI

Current Wailuku UV Index

1 (Low)

Last Updated 44 minutes ago

Hourly Wailuku UV Index

The hourly Wailuku, HI UV Index forecast for Sunday, September 14th, 2025.

5 Day Hourly Wailuku UV Index Forecast

Last Updated 9 hours ago

The UV index forecast for the next five days in Wailuku, HI has 4 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Wailuku over the next five days will be 11.4 on Wednesday, September 17th at 12:00 pm.

The UV index forecast for Sunday, September 14th in Wailuku, HI is below.

Time UV Index Risk
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 15th in Wailuku, 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 1.3
Low
9am 3.6
Moderate
10am 6.3
High
11am 9.2
Very High
12pm 11
Extreme
1pm 10.9
Very High
2pm 9
Very High
3pm 6.2
High
4pm 3.2
Moderate
5pm 1.1
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 Tuesday, September 16th in Wailuku, 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 1.1
Low
9am 3.1
Moderate
10am 6.4
High
11am 9.5
Very High
12pm 11.2
Extreme
1pm 11.2
Extreme
2pm 9.2
Very High
3pm 6.2
High
4pm 3.2
Moderate
5pm 1
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 Wednesday, September 17th in Wailuku, 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 1.3
Low
9am 3.5
Moderate
10am 6.6
High
11am 9.6
Very High
12pm 11.4
Extreme
1pm 11.4
Extreme
2pm 9.4
Very High
3pm 6.2
High
4pm 3.2
Moderate
5pm 1
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 Thursday, September 18th in Wailuku, HI is below.

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