UV Index for Waipahu, HI

Current Waipahu UV Index

0 (Low)

Last Updated 40 minutes ago

Hourly Waipahu UV Index

The hourly Waipahu, HI UV Index forecast for Friday, September 19th, 2025.

5 Day Hourly Waipahu UV Index Forecast

Last Updated 16 hours ago

The UV index forecast for the next five days in Waipahu, HI has 2 days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Waipahu over the next five days will be 11.4 on Friday, September 19th at 1:00 pm.

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

Time UV Index Risk
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 6.2
High
11am 9.1
Very High
12pm 11.2
Extreme
1pm 11.4
Extreme
2pm 9.6
Very High
3pm 6.6
High
4pm 3.5
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 Waipahu, 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 3.1
Moderate
10am 6
High
11am 9.1
Very High
12pm 10.8
Very High
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 Sunday, September 21st in Waipahu, 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 0.8
Low
9am 2.8
Low
10am 5.8
Moderate
11am 8.6
Very High
12pm 10.2
Very High
1pm 10
Very High
2pm 8.7
Very High
3pm 6.3
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 Monday, September 22nd in Waipahu, HI is below.

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