UV Index Today in Austin, Texas (TX)

Sunday, September 20, 2026 -8:59 AM CDT (GMT-5)

The UV Index in Austin, Texas (TX) right now is 0.2. This reading was last updated at 8:00 AM CDT, about 59 minutes ago. The UV Index at9:00 AM CDT, in about less than a minute from now, is expected to be 0.9.

The maximum UV Index today in Austin is expected to be 8.8 at 2:00 PM CDT,5 hours from now. The maximum UV Index tomorrow is expected to be 9.3 at 1:00 PM CDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

September 20
8.8
2:00 PM CDT
Very High

Tomorrow

September 21
9.3
1:00 PM CDT
Very High

UV Index Today Hourly

September 20

Data shows Austin, Texas (TX)'s UV Index climbing to 8.8 today, peaking at2:00 PM CDT under Very High conditions.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMCentral Daylight Time (CDT, GMT-5)Now: 8:59 AM00.20.92.45.17.18.68.87.65.32.70.80.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

September 21

Data shows Austin, Texas (TX)'s UV Index climbing to 9.3 tomorrow, peaking at1:00 PM CDT under Very High conditions.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMCentral Daylight Time (CDT, GMT-5)00.10.92.75.27.79.39.37.85.32.80.90.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

September 19, 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 AM0.2
Low
9:00 AM0.9
Low
10:00 AM2.5
Moderate
11:00 AM4.9
Moderate
12:00 PM7.2
High
1:00 PM8.6
Very High
2:00 PM8.6
Very High
3:00 PM7.3
High
4:00 PM5
Moderate
5:00 PM2.7
Moderate
6:00 PM0.9
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 20, 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 AM0.2
Low
9:00 AM0.9
Low
10:00 AM2.4
Low
11:00 AM5.1
Moderate
12:00 PM7.1
High
1:00 PM8.6
Very High
2:00 PM8.8
Very High
3:00 PM7.6
Very High
4:00 PM5.3
Moderate
5:00 PM2.7
Moderate
6:00 PM0.8
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 21, 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 AM0.1
Low
9:00 AM0.9
Low
10:00 AM2.7
Moderate
11:00 AM5.2
Moderate
12:00 PM7.7
Very High
1:00 PM9.3
Very High
2:00 PM9.3
Very High
3:00 PM7.8
Very High
4:00 PM5.3
Moderate
5:00 PM2.8
Moderate
6:00 PM0.9
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 22, 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 AM0.1
Low
9:00 AM0.9
Low
10:00 AM2.7
Moderate
11:00 AM5.2
Moderate
12:00 PM7.7
Very High
1:00 PM9.2
Very High
2:00 PM9.2
Very High
3:00 PM7.5
Very High
4:00 PM4
Moderate
5:00 PM1.8
Low
6:00 PM0.5
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 23, 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 AM0.1
Low
9:00 AM0.8
Low
10:00 AM2.5
Moderate
11:00 AM4.8
Moderate
12:00 PM7.1
High
1:00 PM8.6
Very High
2:00 PM6.7
High
3:00 PM1.7
Low
4:00 PM1.7
Low
5:00 PM2.4
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)