UV Index Today in Mesa, Arizona (AZ)

Saturday, August 8, 2026 -9:10 AM MST (GMT-7)

The UV Index in Mesa, Arizona (AZ) right now is 3.6. This reading was last updated at 9:00 AM MST, about 10 minutes ago. The UV Index at10:00 AM MST, in about 49 minutes from now, is expected to be 6.1.

The maximum UV Index today in Mesa is expected to be 9.6 at 12:00 PM MST,2 hours and 49 minutes from now. The maximum UV Index tomorrow is expected to be 9.4 at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 8
9.6
12:00 PM MST
Very High

Tomorrow

August 9
9.4
12:00 PM MST
Very High

UV Index Today Hourly

August 8

UV levels in Mesa, Arizona (AZ) are projected to top out at 9.6 today, hitting Very High risk near 12:00 PM MST.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMMountain Standard Time (MST, GMT-7)Now: 9:10 AM00.51.73.66.18.49.69.68.25.83.41.40.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 9

Tomorrow in Mesa, Arizona (AZ), the UV Index is expected to reach up to 9.4 around12:00 PM MST, placing it in the Very High risk category for sun exposure.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMMountain Standard Time (MST, GMT-7)00.51.63.45.77.99.49.27.85.63.31.40.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 7, 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 AM0.5
Low
8:00 AM1.7
Low
9:00 AM3.8
Moderate
10:00 AM6.3
High
11:00 AM8.6
Very High
12:00 PM10
Very High
1:00 PM10
Very High
2:00 PM8.6
Very High
3:00 PM5.9
High
4:00 PM3.4
Moderate
5:00 PM1.5
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

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

August 9, 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 AM0.5
Low
8:00 AM1.6
Low
9:00 AM3.4
Moderate
10:00 AM5.7
High
11:00 AM7.9
Very High
12:00 PM9.4
Very High
1:00 PM9.2
Very High
2:00 PM7.8
Very High
3:00 PM5.6
High
4:00 PM3.3
Moderate
5:00 PM1.4
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

August 10, 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 AM1.1
Low
9:00 AM3
Moderate
10:00 AM5.2
Moderate
11:00 AM7.3
High
12:00 PM8.8
Very High
1:00 PM8.7
Very High
2:00 PM7.4
High
3:00 PM5.4
Moderate
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 11, 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 AM0.4
Low
8:00 AM1.4
Low
9:00 AM3.3
Moderate
10:00 AM5.7
High
11:00 AM7.9
Very High
12:00 PM9.4
Very High
1:00 PM9.4
Very High
2:00 PM7.9
Very High
3:00 PM5.7
High
4:00 PM3.2
Moderate
5:00 PM1.4
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
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
  • Gilbert - 9.6
  • Chandler - 9.6
  • Phoenix - 9.6
Data Source: National Oceanic and Atmospheric Administration (NOAA)