UV Index Today in Phoenix, Arizona (AZ)

Saturday, August 29, 2026 -9:47 AM MST (GMT-7)

The UV Index in Phoenix, Arizona (AZ) right now is 3.3. This reading was last updated at 9:00 AM MST, about 47 minutes ago. The UV Index at10:00 AM MST, in about 12 minutes from now, is expected to be 5.9.

The maximum UV Index today in Phoenix is expected to be 9.8 at 12:00 PM MST,2 hours and 12 minutes from now. The maximum UV Index tomorrow is expected to be 9.6 at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 29
9.8
12:00 PM MST
Very High

Tomorrow

August 30
9.6
12:00 PM MST
Very High

UV Index Today Hourly

August 29

Based on the latest forecast, Phoenix, Arizona (AZ) will see a peak UV Index of 9.8today around 12:00 PM MST, which is classified as Very High risk.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMMountain Standard Time (MST, GMT-7)Now: 9:47 AM00.31.43.35.98.39.89.88.35.83.21.30.30
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 30

Sun exposure in Phoenix, Arizona (AZ) reaches Very High risk levels tomorrow, with a peak UV Index of 9.6 at 12:00 PM MST.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMMountain Standard Time (MST, GMT-7)00.31.33.35.88.29.69.68.15.63.11.20.30
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 28, 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
Low
7:00 AM0.3
Low
8:00 AM1.4
Low
9:00 AM3.3
Moderate
10:00 AM5.6
High
11:00 AM7.8
Very High
12:00 PM9.2
Very High
1:00 PM9.1
Very High
2:00 PM8
Very High
3:00 PM5.5
High
4:00 PM3
Moderate
5:00 PM1.1
Low
6:00 PM0.3
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 29, 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
Low
7:00 AM0.3
Low
8:00 AM1.4
Low
9:00 AM3.3
Moderate
10:00 AM5.9
High
11:00 AM8.3
Very High
12:00 PM9.8
Very High
1:00 PM9.8
Very High
2:00 PM8.3
Very High
3:00 PM5.8
High
4:00 PM3.2
Moderate
5:00 PM1.3
Low
6:00 PM0.3
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 30, 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
Low
7:00 AM0.3
Low
8:00 AM1.3
Low
9:00 AM3.3
Moderate
10:00 AM5.8
High
11:00 AM8.2
Very High
12:00 PM9.6
Very High
1:00 PM9.6
Very High
2:00 PM8.1
Very High
3:00 PM5.6
High
4:00 PM3.1
Moderate
5:00 PM1.2
Low
6:00 PM0.3
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 31, 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
Low
7:00 AM0.3
Low
8:00 AM1.3
Low
9:00 AM3.1
Moderate
10:00 AM5.8
High
11:00 AM8.2
Very High
12:00 PM9.6
Very High
1:00 PM9.5
Very High
2:00 PM8.1
Very High
3:00 PM5.6
High
4:00 PM3.1
Moderate
5:00 PM1.2
Low
6:00 PM0.2
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 1, 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
Low
7:00 AM0.3
Low
8:00 AM1.4
Low
9:00 AM3.4
Moderate
10:00 AM6.1
High
11:00 AM8.6
Very High
12:00 PM10.1
Very High
1:00 PM10.1
Very High
2:00 PM8.5
Very High
3:00 PM5.9
High
4:00 PM3.3
Moderate
5:00 PM1.3
Low
6:00 PM0.3
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 - 9.8
  • Chandler - 10
  • Mesa - 9.9
  • Gilbert - 10
Data Source: National Oceanic and Atmospheric Administration (NOAA)