UV Index for Flagstaff, AZ

Current Flagstaff UV Index

11.4 (Extreme)

Last Updated 44 minutes ago

Hourly Flagstaff UV Index

The hourly Flagstaff, AZ UV Index forecast for Monday, July 14th, 2025.

5 Day Hourly Flagstaff UV Index Forecast

Last Updated 1 day ago

The UV index forecast for the next five days in Flagstaff, AZ has 3 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Flagstaff over the next five days will be 11.4 on Monday, July 14th at 12:00 pm.

The UV index forecast for Monday, July 14th in Flagstaff, AZ is below.

Time UV Index Risk
1pm 11.3
Extreme
2pm 8
Very High
3pm 0.9
Low
4pm 1.3
Low
5pm 1.8
Low
6pm 0.6
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 15th in Flagstaff, 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 4.4
Moderate
10am 7.2
High
11am 9.7
Very High
12pm 11.1
Extreme
1pm 11
Extreme
2pm 9.4
Very High
3pm 4.6
Moderate
4pm 2.6
Low
5pm 1.6
Low
6pm 0.6
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 16th in Flagstaff, 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 0.7
Low
8am 2.1
Low
9am 4.6
Moderate
10am 7.4
High
11am 9.9
Very High
12pm 11.3
Extreme
1pm 11.1
Extreme
2pm 9.8
Very High
3pm 7.2
High
4pm 3.8
Moderate
5pm 1.5
Low
6pm 0.5
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 17th in Flagstaff, 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