UV Index for St. David, AZ

Current St. David UV Index

0 (Low)

Last Updated 15 minutes ago

Hourly St. David UV Index

The hourly St. David, AZ UV Index forecast for Wednesday, September 17th, 2025.

5 Day Hourly St. David UV Index Forecast

Last Updated 16 hours ago

The UV index forecast for the next five days in St. David, AZ has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in St. David over the next five days will be 10 on Friday, September 19th at 12:00 pm.

The UV index forecast for Wednesday, September 17th in St. David, AZ is below.

Time UV Index Risk
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 0.5
Low
9am 2.2
Low
10am 4.4
Moderate
11am 7
High
12pm 4.2
Moderate
1pm 3.4
Moderate
2pm 5
Moderate
3pm 4.3
Moderate
4pm 1.3
Low
5pm 0.8
Low
6pm 0.1
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 18th in St. David, 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 0.1
Low
8am 0.6
Low
9am 2.5
Low
10am 5.3
Moderate
11am 8.6
Very High
12pm 9.9
Very High
1pm 9
Very High
2pm 3.7
Moderate
3pm 1.2
Low
4pm 0.9
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 Friday, September 19th in St. David, 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 0.2
Low
8am 1.2
Low
9am 3.3
Moderate
10am 6
High
11am 8.6
Very High
12pm 10
Very High
1pm 7.4
High
2pm 3
Moderate
3pm 1.9
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, September 20th in St. David, 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