UV Index for Sierra Vista, AZ

Current Sierra Vista UV Index

3.4 (Moderate)

Last Updated 38 minutes ago

Hourly Sierra Vista UV Index

The hourly Sierra Vista, AZ UV Index forecast for Monday, December 29th, 2025.

5 Day Hourly Sierra Vista UV Index Forecast

Last Updated 2 hours ago

The UV index forecast for the next five days in Sierra Vista, AZ has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Sierra Vista over the next five days will be 3.4 on Monday, December 29th at 1:00 pm.

The UV index forecast for Monday, December 29th in Sierra Vista, AZ is below.

Time UV Index Risk
2pm 2.4
Low
3pm 1.3
Low
4pm 0.5
Low
5pm 0
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, December 30th in Sierra Vista, 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 0.2
Low
9am 0.7
Low
10am 1.8
Low
11am 2.7
Low
12pm 3.2
Moderate
1pm 3.4
Moderate
2pm 2.4
Low
3pm 1.4
Low
4pm 0.5
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, December 31st in Sierra Vista, 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 0.2
Low
9am 0.8
Low
10am 1.6
Low
11am 2.5
Low
12pm 3
Moderate
1pm 3.1
Moderate
2pm 2.4
Low
3pm 0.5
Low
4pm 0.1
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, January 1st in Sierra Vista, 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 0.1
Low
9am 0.4
Low
10am 1.4
Low
11am 2.9
Low
12pm 3.2
Moderate
1pm 1.7
Low
2pm 0.9
Low
3pm 0.5
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, January 2nd in Sierra Vista, 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