UV Index in San Antonio, Bexar, Texas
Tuesday
10/11/2026
Current UV Index:
0
Low
Wear sunglasses on bright days. No broad-spectrum sunscreen required unless outdoors for extended periods near reflective surfaces.
UV Index Scale
Low
0
- 2
Minimal Risk Wear sunglasses on bright days. No broad-spectrum sunscreen required unless outdoors for extended periods near reflective surfaces.
Moderate
3
- 5
Moderate Risk Apply broad-spectrum SPF 30+ sunscreen. Wear a hat and UV-blocking sunglasses if outdoors during midday hours.
High
6
- 7
High Risk Apply broad-spectrum SPF 30+ sunscreen every 2 hours. Seek shade between 10:00 AM and 4:00 PM, and wear a wide-brim hat, protective clothing, and UV-blocking sunglasses.
Very high
8
- 10
Higher Risk Minimize outdoor activity between 10:00 AM and 4:00 PM. Apply broad-spectrum SPF 30+ generously every 2 hours, and wear UV-protective long sleeves, pants, a wide-brim hat, and wrap-around sunglasses.
Extremely
11+
Extreme Risk Avoid outdoor exposure between 10:00 AM and 4:00 PM. Unprotected skin and eyes can burn in minutes. If outdoors, wear SPF 50+ sunscreen, UPF clothing, a wide-brim hat, and wrap-around sunglasses.
Hourly UV Index Forecast
Wear sunglasses on sunny days. In winter, reflection can double the intensity of UV rays.
If you burn easily, cover up and use sunscreen.
If you burn easily, cover up and use sunscreen.
1-2
Low
3-5
Moderate
6-7
High
8-10
Very high
11+
Extremely
Daily UV Index Forecast
10/11/2026
55o
/
66o1.62
Low
11/11/2026
55o
/
73o4.65
Moderate
12/11/2026
57o
/
73o4.85
Moderate
13/11/2026
54o
/
73o5.15
High
14/11/2026
55o
/
69o6
High
15/11/2026
61o
/
71o6
High
16/11/2026
62o
/
78o6
High
17/11/2026
62o
/
70o6
High
10/11/2026
60o
Cloudy, Overcast
55oF
/
66oF
| Feel like
60oF
0% Rain
|
0 in
8
0
4.6
10/11/2026
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09/11/2026
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