UV Index Today in Tucson, Arizona (AZ)

Saturday, August 8, 2026 -8:41 AM MST (GMT-7)

The UV Index in Tucson, Arizona (AZ) right now is 1.7. This reading was last updated at 8:00 AM MST, about 41 minutes ago. The UV Index at9:00 AM MST, in about 18 minutes from now, is expected to be 3.8.

The maximum UV Index today in Tucson is expected to be 10 at 12:00 PM MST,3 hours and 18 minutes from now. The maximum UV Index tomorrow is expected to be 10.2 at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 8
10
12:00 PM MST
Very High

Tomorrow

August 9
10.2
12:00 PM MST
Very High

UV Index Today Hourly

August 8

The UV Index for Tucson, Arizona (AZ) peaks at 10 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: 8:41 AM00.51.73.86.48.8109.88.25.83.31.40.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 9

The UV Index for Tucson, Arizona (AZ) peaks at 10.2 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)00.51.83.96.58.810.210.18.55.93.41.40.40
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 AM0.6
Low
8:00 AM1.8
Low
9:00 AM4
Moderate
10:00 AM6.8
High
11:00 AM9.2
Very High
12:00 PM10.2
Very High
1:00 PM10
Very High
2:00 PM8.8
Very High
3:00 PM6.2
High
4:00 PM3.6
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 AM3.8
Moderate
10:00 AM6.4
High
11:00 AM8.8
Very High
12:00 PM10
Very High
1:00 PM9.8
Very High
2:00 PM8.2
Very High
3:00 PM5.8
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 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 AM1.8
Low
9:00 AM3.9
Moderate
10:00 AM6.5
High
11:00 AM8.8
Very High
12:00 PM10.2
Very High
1:00 PM10.1
Very High
2:00 PM8.5
Very High
3:00 PM5.9
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 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 AM0.4
Low
8:00 AM1.5
Low
9:00 AM3.4
Moderate
10:00 AM5.7
High
11:00 AM7.9
Very High
12:00 PM9.6
Very High
1:00 PM9.5
Very High
2:00 PM8
Very High
3:00 PM5.5
High
4:00 PM3.2
Moderate
5:00 PM0.1
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

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 AM0.5
Low
8:00 AM1.6
Low
9:00 AM3.5
Moderate
10:00 AM6
High
11:00 AM8.3
Very High
12:00 PM9.5
Very High
1:00 PM9.3
Very High
2:00 PM7.8
Very High
3:00 PM5.5
High
4:00 PM3.1
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
Data Source: National Oceanic and Atmospheric Administration (NOAA)