UV Index Today in Mesa, Arizona (AZ)

Tuesday, April 7, 2026 - 1:47 AM MST (GMT-7)

The UV Index in Mesa, Arizona (AZ) right now is 0. This reading was last updated at 1:00 AM MST, about 47 minutes ago. The UV Index at 2:00 AM MST, in about 12 minutes from now, is expected to be 0.

The maximum UV Index today in Mesa is expected to be 8.7 at 12:00 PM MST, 10 hours and 12 minutes from now. The maximum UV Index tomorrow is expected to be 8.9 at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

April 7
8.7
12:00 PM MST
Very High

Tomorrow

April 8
8.9
12:00 PM MST
Very High

UV Index Today Hourly

April 7

UV levels in Mesa, Arizona (AZ) are projected to top out at 8.7 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: 1:47 AM00.31.22.95.27.48.78.77.35.12.81.10.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

April 8

Tomorrow in Mesa, Arizona (AZ), the UV Index is expected to reach up to 8.9 around 12:00 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) 00.31.235.47.68.98.87.45.12.81.10.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

April 6, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.2
Low
8:00 AM 0.7
Low
9:00 AM 1.8
Low
10:00 AM 2.6
Moderate
11:00 AM 4.2
Moderate
12:00 PM 5.3
Moderate
1:00 PM 3.9
Moderate
2:00 PM 5.5
High
3:00 PM 3.1
Moderate
4:00 PM 1.9
Low
5:00 PM 0.9
Low
6:00 PM 0.2
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 7, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.3
Low
8:00 AM 1.2
Low
9:00 AM 2.9
Moderate
10:00 AM 5.2
Moderate
11:00 AM 7.4
High
12:00 PM 8.7
Very High
1:00 PM 8.7
Very High
2:00 PM 7.3
High
3:00 PM 5.1
Moderate
4:00 PM 2.8
Moderate
5:00 PM 1.1
Low
6:00 PM 0.2
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 8, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.3
Low
8:00 AM 1.2
Low
9:00 AM 3
Moderate
10:00 AM 5.4
Moderate
11:00 AM 7.6
Very High
12:00 PM 8.9
Very High
1:00 PM 8.8
Very High
2:00 PM 7.4
High
3:00 PM 5.1
Moderate
4:00 PM 2.8
Moderate
5:00 PM 1.1
Low
6:00 PM 0.2
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 9, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.3
Low
8:00 AM 1.2
Low
9:00 AM 2.8
Moderate
10:00 AM 5
Moderate
11:00 AM 7
High
12:00 PM 8.3
Very High
1:00 PM 8.3
Very High
2:00 PM 7
High
3:00 PM 4.8
Moderate
4:00 PM 2.7
Moderate
5:00 PM 1.1
Low
6:00 PM 0.2
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 10, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.2
Low
8:00 AM 1
Low
9:00 AM 2.1
Low
10:00 AM 4
Moderate
11:00 AM 4.7
Moderate
12:00 PM 6.5
High
1:00 PM 6.4
High
2:00 PM 6
High
3:00 PM 4.6
Moderate
4:00 PM 2.3
Low
5:00 PM 1.1
Low
6:00 PM 0.2
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
  • Gilbert - 8.7
  • Chandler - 8.7
  • Phoenix - 8.7
Data Source: National Oceanic and Atmospheric Administration (NOAA)