UV Index for Grand Canyon West, AZ

Current Grand Canyon West UV Index

0 (Low)

Last Updated 44 minutes ago

Hourly Grand Canyon West UV Index

The hourly Grand Canyon West, AZ UV Index forecast for Thursday, July 17th, 2025.

5 Day Hourly Grand Canyon West UV Index Forecast

Last Updated 10 hours ago

The UV index forecast for the next five days in Grand Canyon West, AZ has 1 day reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Grand Canyon West over the next five days will be 11.4 on Sunday, July 20th at 1:00 pm.

The UV index forecast for Thursday, July 17th in Grand Canyon West, AZ is below.

Time UV Index Risk
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 18th in Grand Canyon West, AZ 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 0.1
Low
7am 0.6
Low
8am 1.9
Low
9am 4
Moderate
10am 6.7
High
11am 9.1
Very High
12pm 10.6
Very High
1pm 10.9
Very High
2pm 9.6
Very High
3pm 7.4
High
4pm 4.6
Moderate
5pm 1.9
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 19th in Grand Canyon West, AZ 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 0.1
Low
7am 0.6
Low
8am 1.9
Low
9am 4.1
Moderate
10am 6.7
High
11am 9.2
Very High
12pm 7.9
High
1pm 4.4
Moderate
2pm 2.8
Low
3pm 4.6
Moderate
4pm 0.9
Low
5pm 1.9
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 20th in Grand Canyon West, AZ 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 0.6
Low
8am 2
Low
9am 4.2
Moderate
10am 7
High
11am 9.5
Very High
12pm 11.2
Extreme
1pm 11.4
Extreme
2pm 10
Very High
3pm 7.6
High
4pm 4.8
Moderate
5pm 2.4
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 21st in Grand Canyon West, AZ is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low