UV Index Today in Phoenix, Arizona (AZ)

Wednesday, July 15, 2026 -9:14 AM MST (GMT-7)

The UV Index in Phoenix, Arizona (AZ) right now is 4.5. This reading was last updated at 9:00 AM MST, about 14 minutes ago. The UV Index at10:00 AM MST, in about 45 minutes from now, is expected to be 7.3.

The maximum UV Index today in Phoenix is expected to be 11.2 at 1:00 PM MST,3 hours and 45 minutes from now. The maximum UV Index tomorrow is expected to be 8.7 at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

July 15
11.2
1:00 PM MST
Extreme

Tomorrow

July 16
8.7
12:00 PM MST
Very High

UV Index Today Hourly

July 15

Based on the latest forecast, Phoenix, Arizona (AZ) will see a peak UV Index of 11.2today around 1:00 PM MST, which is classified as Extreme risk.

0246810125 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMMountain Standard Time (MST, GMT-7)Now: 9:14 AM00.10.72.24.57.39.711.111.29.67.14.41.80.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

July 16

Sun exposure in Phoenix, Arizona (AZ) reaches Very High risk levels tomorrow, with a peak UV Index of 8.7 at 12:00 PM MST.

02468105 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMMountain Standard Time (MST, GMT-7)00.10.51.61.85.95.18.76.512.93.820.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

July 14, 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 AM0.8
Low
8:00 AM2.2
Low
9:00 AM4.6
Moderate
10:00 AM7.3
High
11:00 AM9.9
Very High
12:00 PM11.4
Extreme
1:00 PM11.4
Extreme
2:00 PM9.9
Very High
3:00 PM7.3
High
4:00 PM4.4
Moderate
5:00 PM2.1
Low
6:00 PM0.7
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 15, 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 AM0.7
Low
8:00 AM2.2
Low
9:00 AM4.5
Moderate
10:00 AM7.3
High
11:00 AM9.7
Very High
12:00 PM11.1
Extreme
1:00 PM11.2
Extreme
2:00 PM9.6
Very High
3:00 PM7.1
High
4:00 PM4.4
Moderate
5:00 PM1.8
Low
6:00 PM0.4
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 16, 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 AM0.5
Low
8:00 AM1.6
Low
9:00 AM1.8
Low
10:00 AM5.9
High
11:00 AM5.1
Moderate
12:00 PM8.7
Very High
1:00 PM6.5
High
2:00 PM1
Low
3:00 PM2.9
Moderate
4:00 PM3.8
Moderate
5:00 PM2
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 17, 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 AM2.1
Low
9:00 AM4.4
Moderate
10:00 AM7.2
High
11:00 AM9.8
Very High
12:00 PM11.2
Extreme
1:00 PM11.1
Extreme
2:00 PM9.6
Very High
3:00 PM4.9
Moderate
4:00 PM2.5
Moderate
5:00 PM2
Low
6:00 PM0.7
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 18, 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 AM0.5
Low
8:00 AM1.5
Low
9:00 AM4.4
Moderate
10:00 AM7.4
High
11:00 AM9.7
Very High
12:00 PM11.2
Extreme
1:00 PM11.3
Extreme
2:00 PM9.8
Very High
3:00 PM7.2
High
4:00 PM4.4
Moderate
5:00 PM2.1
Low
6:00 PM0.7
Low
7:00 PM0
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 - 11.1
  • Chandler - 11.3
  • Mesa - 11.2
  • Gilbert - 11.3
Data Source: National Oceanic and Atmospheric Administration (NOAA)