San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 32°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Tuesday
14th Jul
32

24

1

6
Wednesday
15th Jul
29

23

2

7
Thursday
16th Jul
31

23

5

4
Friday
17th Jul
35

24

7

8
Saturday
18th Jul
34

24

7

11

5-day weather forecast updated at 04:00 on Tuesday 14th 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 Tuesday 14th July 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 15 kph from the east.

32
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
66
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

San Antonio weather for Wednesday 15th July 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 15 kph from the east.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
7
UV index (High)
88
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

San Antonio weather for Thursday 16th July 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 17 kph from the south-east.

31
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
68
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SE

San Antonio weather for Friday 17th July 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 19 kph from the south-east.

35
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
41
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
19
kph wind from SE

San Antonio weather for Saturday 18th July 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-east.