UV Index Today in Tucson, Arizona (AZ)

Tuesday, October 13, 2026 -12:24 PM MST (GMT-7)

The UV Index in Tucson, Arizona (AZ) right now is 2. This reading was last updated at 12:00 PM MST, about 24 minutes ago. The UV Index at1:00 PM MST, in about 35 minutes from now, is expected to be 2.4.

The maximum UV Index today in Tucson was 4.8 at 11:00 AM MST,1 hour and 24 minutes ago. The maximum UV Index tomorrow is expected to be 6.7 at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

October 13
4.8
11:00 AM MST
Moderate

Tomorrow

October 14
6.7
12:00 PM MST
High

UV Index Today Hourly

October 13

The UV Index for Tucson, Arizona (AZ) peaks at 4.8 today at 11:00 AM MST, classified as Moderate risk.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PMMountain Standard Time (MST, GMT-7)Now: 12:24 PM00.6244.822.43.32.410.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

October 14

The UV Index for Tucson, Arizona (AZ) peaks at 6.7 tomorrow at 12:00 PM MST, classified as High risk.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PMMountain Standard Time (MST, GMT-7)00.61.93.75.66.76.65.33.41.50.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

October 12, 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
Low
8:00 AM0.6
Low
9:00 AM2.1
Low
10:00 AM4.1
Moderate
11:00 AM4.9
Moderate
12:00 PM5.8
High
1:00 PM6.3
High
2:00 PM5.5
High
3:00 PM3.7
Moderate
4:00 PM1.6
Low
5:00 PM0.4
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

October 13, 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
Low
8:00 AM0.6
Low
9:00 AM2
Low
10:00 AM4
Moderate
11:00 AM4.8
Moderate
12:00 PM2
Low
1:00 PM2.4
Low
2:00 PM3.3
Moderate
3:00 PM2.4
Low
4:00 PM1
Low
5:00 PM0.4
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

October 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
Low
7:00 AM0
Low
8:00 AM0.6
Low
9:00 AM1.9
Low
10:00 AM3.7
Moderate
11:00 AM5.6
High
12:00 PM6.7
High
1:00 PM6.6
High
2:00 PM5.3
Moderate
3:00 PM3.4
Moderate
4:00 PM1.5
Low
5:00 PM0.4
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

October 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
Low
7:00 AM0
Low
8:00 AM0.6
Low
9:00 AM1.8
Low
10:00 AM3.7
Moderate
11:00 AM5.6
High
12:00 PM6.7
High
1:00 PM6.6
High
2:00 PM5.3
Moderate
3:00 PM3.3
Moderate
4:00 PM1.5
Low
5:00 PM0.4
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

October 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
Low
7:00 AM0
Low
8:00 AM0.6
Low
9:00 AM1.8
Low
10:00 AM3.4
Moderate
11:00 AM5
Moderate
12:00 PM6
High
1:00 PM6.1
High
2:00 PM4.9
Moderate
3:00 PM2.9
Moderate
4:00 PM1.1
Low
5:00 PM0.4
Low
6:00 PM0
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
Data Source: National Oceanic and Atmospheric Administration (NOAA)