UV Index Today in Tucson, Arizona (AZ)

Tuesday, April 7, 2026 - 1:49 AM MST (GMT-7)

The UV Index in Tucson, Arizona (AZ) right now is 0. This reading was last updated at 1:00 AM MST, about 49 minutes ago. The UV Index at 2:00 AM MST, in about 10 minutes from now, is expected to be 0.

The maximum UV Index today in Tucson is expected to be 9.1 at 12:00 PM MST, 10 hours and 10 minutes from now. The maximum UV Index tomorrow is expected to be 9.3 at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

April 7
9.1
12:00 PM MST
Very High

Tomorrow

April 8
9.3
12:00 PM MST
Very High

UV Index Today Hourly

April 7

The UV Index for Tucson, Arizona (AZ) peaks at 9.1 today at 12:00 PM MST, 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: 1:49 AM00.31.33.25.67.89.18.97.55.12.71.10.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

April 8

The UV Index for Tucson, Arizona (AZ) peaks at 9.3 tomorrow at 12:00 PM MST, 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) 00.31.43.35.789.39.27.65.22.81.10.20
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 1
Low
9:00 AM 2.3
Low
10:00 AM 3.9
Moderate
11:00 AM 5
Moderate
12:00 PM 7.9
Very High
1:00 PM 7.4
High
2:00 PM 6.9
High
3:00 PM 4.4
Moderate
4:00 PM 1.8
Low
5:00 PM 0.6
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 1.3
Low
9:00 AM 3.2
Moderate
10:00 AM 5.6
High
11:00 AM 7.8
Very High
12:00 PM 9.1
Very High
1:00 PM 8.9
Very High
2:00 PM 7.5
Very High
3:00 PM 5.1
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 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 1.4
Low
9:00 AM 3.3
Moderate
10:00 AM 5.7
High
11:00 AM 8
Very High
12:00 PM 9.3
Very High
1:00 PM 9.2
Very High
2:00 PM 7.6
Very High
3:00 PM 5.2
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 1.3
Low
9:00 AM 3.1
Moderate
10:00 AM 5.4
Moderate
11:00 AM 7.5
Very 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
Moderate
4:00 PM 2.6
Moderate
5:00 PM 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 0.9
Low
9:00 AM 2.1
Low
10:00 AM 4
Moderate
11:00 AM 5.6
High
12:00 PM 6.6
High
1:00 PM 8.2
Very High
2:00 PM 7
High
3:00 PM 4.9
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
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
Data Source: National Oceanic and Atmospheric Administration (NOAA)