UV Index Today in Tucson, Arizona (AZ)

Saturday, August 29, 2026 -9:47 AM MST (GMT-7)

The UV Index in Tucson, Arizona (AZ) right now is 3.8. This reading was last updated at 9:00 AM MST, about 47 minutes ago. The UV Index at10:00 AM MST, in about 12 minutes from now, is expected to be 6.6.

The maximum UV Index today in Tucson is expected to be 10.7 at 12:00 PM MST,2 hours and 12 minutes from now. The maximum UV Index tomorrow is expected to be 10.4 at 12:00 PM MST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 29
10.7
12:00 PM MST
Extreme

Tomorrow

August 30
10.4
12:00 PM MST
Very High

UV Index Today Hourly

August 29

The UV Index for Tucson, Arizona (AZ) peaks at 10.7 today at 12:00 PM MST, classified as Extreme risk.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMMountain Standard Time (MST, GMT-7)Now: 9:47 AM00.41.63.86.69.210.710.58.8631.20.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 30

The UV Index for Tucson, Arizona (AZ) peaks at 10.4 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)00.31.53.56910.410.38.6631.10.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 28, 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 AM3.6
Moderate
10:00 AM5.5
High
11:00 AM9
Very High
12:00 PM10.4
Very High
1:00 PM10.3
Very High
2:00 PM8.7
Very High
3:00 PM6
High
4:00 PM3.3
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

August 29, 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 AM1.6
Low
9:00 AM3.8
Moderate
10:00 AM6.6
High
11:00 AM9.2
Very High
12:00 PM10.7
Extreme
1:00 PM10.5
Extreme
2:00 PM8.8
Very High
3:00 PM6
High
4:00 PM3
Moderate
5:00 PM1.2
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 30, 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 AM1.5
Low
9:00 AM3.5
Moderate
10:00 AM6
High
11:00 AM9
Very High
12:00 PM10.4
Very High
1:00 PM10.3
Very High
2:00 PM8.6
Very High
3:00 PM6
High
4:00 PM3
Moderate
5:00 PM1.1
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 31, 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 AM1.3
Low
9:00 AM1.4
Low
10:00 AM2.8
Moderate
11:00 AM9.2
Very High
12:00 PM10.6
Extreme
1:00 PM10.4
Very High
2:00 PM8.4
Very High
3:00 PM5.1
Moderate
4:00 PM3.1
Moderate
5:00 PM1.1
Low
6:00 PM0.2
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 1, 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 AM3.7
Moderate
10:00 AM6.5
High
11:00 AM9.1
Very High
12:00 PM10.6
Extreme
1:00 PM10.5
Extreme
2:00 PM8.8
Very High
3:00 PM6
High
4:00 PM3.2
Moderate
5:00 PM1.2
Low
6:00 PM0.2
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)