UV Index for Hanalei, HI

Current Hanalei UV Index

0 (Low)

Last Updated 10 minutes ago

Hourly Hanalei UV Index

The hourly Hanalei, HI UV Index forecast for Monday, September 1st, 2025.

5 Day Hourly Hanalei UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Hanalei, HI has 2 days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Hanalei over the next five days will be 11.7 on Monday, September 1st at 12:00 pm.

The UV index forecast for Monday, September 1st in Hanalei, HI is below.

Time UV Index Risk
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 1.1
Low
9am 3.3
Moderate
10am 6.4
High
11am 9.6
Very High
12pm 11.7
Extreme
1pm 10.5
Very High
2pm 6.8
High
3pm 2.6
Low
4pm 1.4
Low
5pm 0.4
Low
6pm 0.1
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, September 2nd in Hanalei, 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 3.2
Moderate
10am 5.8
Moderate
11am 8.8
Very High
12pm 10
Very High
1pm 10.3
Very High
2pm 7.9
High
3pm 6
High
4pm 3.2
Moderate
5pm 1.2
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, September 3rd in Hanalei, 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 2.5
Low
10am 5.2
Moderate
11am 8.4
Very High
12pm 11
Extreme
1pm 11.4
Extreme
2pm 9.8
Very High
3pm 6.8
High
4pm 3.7
Moderate
5pm 1.4
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 4th in Hanalei, HI is below.

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