UV Index for Catalina, AZ

Current Catalina UV Index

0 (Low)

Last Updated 41 minutes ago

Hourly Catalina UV Index

The hourly Catalina, AZ UV Index forecast for Sunday, July 13th, 2025.

5 Day Hourly Catalina UV Index Forecast

Last Updated 14 hours ago

The UV index forecast for the next five days in Catalina, AZ has 1 day reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Catalina over the next five days will be 11.6 on Sunday, July 13th at 12:00 pm.

The UV index forecast for Sunday, July 13th in Catalina, AZ is below.

Time UV Index Risk
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0.2
Low
7am 0.8
Low
8am 2.4
Low
9am 4.8
Moderate
10am 7.7
High
11am 10.2
Very High
12pm 11.6
Extreme
1pm 11.5
Extreme
2pm 9.8
Very High
3pm 7
High
4pm 4.2
Moderate
5pm 1.9
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 14th in Catalina, 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 2
Low
9am 4.2
Moderate
10am 6.6
High
11am 9
Very High
12pm 10.4
Very High
1pm 10.1
Very High
2pm 7.8
High
3pm 4.4
Moderate
4pm 2.9
Low
5pm 1.6
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 15th in Catalina, 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 0.2
Low
7am 0.8
Low
8am 2.2
Low
9am 4.5
Moderate
10am 7.3
High
11am 9.5
Very High
12pm 10.7
Very High
1pm 10.3
Very High
2pm 9.1
Very High
3pm 6.4
High
4pm 3.9
Moderate
5pm 1.8
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 16th in Catalina, 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