UV Index for Catalina, AZ

Current Catalina UV Index

0 (Low)

Last Updated 43 minutes ago

Hourly Catalina UV Index

The hourly Catalina, AZ UV Index forecast for Saturday, February 21st, 2026.

5 Day Hourly Catalina UV Index Forecast

Last Updated 15 hours ago

The UV index forecast for the next five days in Catalina, AZ has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Catalina over the next five days will be 6.2 on Monday, February 23rd at 12:00 pm.

The UV index forecast for Saturday, February 21st in Catalina, AZ is below.

Time UV Index Risk
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.5
Low
9am 1.5
Low
10am 3.1
Moderate
11am 4.7
Moderate
12pm 5.6
Moderate
1pm 5.5
Moderate
2pm 4.4
Moderate
3pm 2.8
Low
4pm 1.3
Low
5pm 0.4
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, February 22nd 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
Low
7am 0
Low
8am 0.4
Low
9am 1.2
Low
10am 2.5
Low
11am 3.8
Moderate
12pm 4.9
Moderate
1pm 5.1
Moderate
2pm 4.3
Moderate
3pm 3
Moderate
4pm 1.4
Low
5pm 0.4
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, February 23rd 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
Low
7am 0
Low
8am 0.5
Low
9am 1.7
Low
10am 3.5
Moderate
11am 5.3
Moderate
12pm 6.2
High
1pm 6
High
2pm 5
Moderate
3pm 3.2
Moderate
4pm 1.2
Low
5pm 0.3
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, February 24th 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