San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 38°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Wednesday
29th Jul
38

25

8

10
Thursday
30th Jul
39

25

8

10
Friday
31st Jul
39

24

10

10
Saturday
1st Aug
39

25

11

10
Sunday
2nd Aug
40

27

11

10

5-day weather forecast updated at 04:00 on Wednesday 29th July 2026 GMT

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The 5-day weather forecast for Texas (San Antonio) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

San Antonio weather forecast by day

Below are the detailed weather forecasts for San Antonio for the next 5 days.

San Antonio weather for Wednesday 29th July 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 38°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

38
°C maximum temperature
25
°C minimum temperature
scattered clouds
8
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
22
kph wind from SE

San Antonio weather for Thursday 30th July 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south.

39
°C maximum temperature
25
°C minimum temperature
scattered clouds
8
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
22
kph wind from S

San Antonio weather for Friday 31st July 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

39
°C maximum temperature
24
°C minimum temperature
scattered clouds
10
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
19
kph wind from S

San Antonio weather for Saturday 1st August 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

39
°C maximum temperature
25
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
15
kph wind from S

San Antonio weather for Sunday 2nd August 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 40°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a light breeze of 12 kph from the south-east.