UV Index for Hilo, HI

Current Hilo UV Index

0 (Low)

Last Updated 15 minutes ago

Hourly Hilo UV Index

The hourly Hilo, HI UV Index forecast for Friday, April 18th, 2025.

5 Day Hourly Hilo UV Index Forecast

Last Updated 22 hours ago

The UV index forecast for the next five days in Hilo, HI has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Hilo over the next five days will be 10.6 on Friday, April 18th at 11:00 am.

The UV index forecast for Friday, April 18th in Hilo, HI is below.

Time UV Index Risk
7am 0.4
Low
8am 1.6
Low
9am 4.3
Moderate
10am 7.6
High
11am 10.6
Very High
12pm 8.2
Very High
1pm 3.8
Moderate
2pm 1.6
Low
3pm 0.6
Low
4pm 0.3
Low
5pm 0.1
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, April 19th in Hilo, 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 0.4
Low
8am 2
Low
9am 4.8
Moderate
10am 8.2
Very High
11am 7.8
High
12pm 4.2
Moderate
1pm 1.8
Low
2pm 0.8
Low
3pm 0.4
Low
4pm 0.2
Low
5pm 0.1
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, April 20th in Hilo, HI is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
6am 0
Low
7am 0.5
Low
8am 2
Low
9am 4.9
Moderate
10am 7.6
High
11am 7.4
High
12pm 5.5
Moderate
1pm 3.9
Moderate
2pm 2.3
Low
3pm 1.9
Low
4pm 0.7
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, April 21st in Hilo, HI is below.

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