UV Index Today in Phoenix, Arizona (AZ)

Friday, May 22, 2026 -11:38 AMMST (GMT-7)

The UV Index in Phoenix, Arizona (AZ) right now is 8. This reading was last updated at 11:00 AM MST, about 38 minutes ago. The UV Index at12:00 PM MST, in about 21 minutes from now, is expected to be 9.3.

The maximum UV Index today in Phoenix is expected to be 9.3 at 12:00 PM MST,21 minutes from now. The maximum UV Index tomorrow is expected to be 9.2 at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

May 22
9.3
12:00 PM MST
Very High

Tomorrow

May 23
9.2
12:00 PM MST
Very High

UV Index Today Hourly

May 22

Based on the latest forecast, Phoenix, Arizona (AZ) will see a peak UV Index of 9.3today around 12:00 PM MST, which is classified as Very High risk.

02468105 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMMountain Standard Time (MST, GMT-7)Now: 11:38 AM00.10.61.83.7689.39.385.93.61.70.60
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

May 23

Sun exposure in Phoenix, Arizona (AZ) reaches Very High risk levels tomorrow, with a peak UV Index of 9.2 at 12:00 PM MST.

02468105 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMMountain Standard Time (MST, GMT-7)00.10.61.83.7689.29.27.95.83.61.70.60.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

May 21, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0.1
Low
7:00 AM0.6
Low
8:00 AM1.7
Low
9:00 AM3.5
Moderate
10:00 AM5.7
High
11:00 AM7.6
Very High
12:00 PM8.6
Very High
1:00 PM8.5
Very High
2:00 PM7.2
High
3:00 PM5.4
Moderate
4:00 PM3.2
Moderate
5:00 PM1.4
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

May 22, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0.1
Low
7:00 AM0.6
Low
8:00 AM1.8
Low
9:00 AM3.7
Moderate
10:00 AM6
High
11:00 AM8
Very High
12:00 PM9.3
Very High
1:00 PM9.3
Very High
2:00 PM8
Very High
3:00 PM5.9
High
4:00 PM3.6
Moderate
5:00 PM1.7
Low
6:00 PM0.6
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

May 23, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0.1
Low
7:00 AM0.6
Low
8:00 AM1.8
Low
9:00 AM3.7
Moderate
10:00 AM6
High
11:00 AM8
Very High
12:00 PM9.2
Very High
1:00 PM9.2
Very High
2:00 PM7.9
Very High
3:00 PM5.8
High
4:00 PM3.6
Moderate
5:00 PM1.7
Low
6:00 PM0.6
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

May 24, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0.1
Low
7:00 AM0.6
Low
8:00 AM1.8
Low
9:00 AM3.7
Moderate
10:00 AM6
High
11:00 AM8
Very High
12:00 PM9.2
Very High
1:00 PM9.1
Very High
2:00 PM7.9
Very High
3:00 PM5.8
High
4:00 PM3.6
Moderate
5:00 PM1.7
Low
6:00 PM0.6
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

May 25, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0.1
Low
7:00 AM0.6
Low
8:00 AM1.8
Low
9:00 AM3.7
Moderate
10:00 AM5.9
High
11:00 AM7
High
12:00 PM8.9
Very High
1:00 PM8.9
Very High
2:00 PM7.6
Very High
3:00 PM5.6
High
4:00 PM3.4
Moderate
5:00 PM1.6
Low
6:00 PM0.6
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
  • Glendale - 9.4
  • Chandler - 9.2
  • Mesa - 9.3
  • Gilbert - 9.2
Data Source: National Oceanic and Atmospheric Administration (NOAA)