San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 29°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Thursday
1st Oct
29

23

2

4
Friday
2nd Oct
27

22

0

3
Saturday
3rd Oct
27

21

2

3
Sunday
4th Oct
28

20

2

6
Monday
5th Oct
30

22

7

9

5-day weather forecast updated at 04:00 on Thursday 1st October 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 Thursday 1st October 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 20 kph from the south-east.

29
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
100
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from SE

San Antonio weather for Friday 2nd October 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 40-50 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 17 kph from the north-east.

27
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
3
UV index (Moderate)
85
% chance of some rain
<50
mm of rainfall expected
L
low heat & humidity
17
kph wind from NE

San Antonio weather for Saturday 3rd October 2026

Expect mostly cloudy with rain in San Antonio, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 20 kph from the north.

27
°C maximum temperature
21
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
3
UV index (Moderate)
53
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
20
kph wind from N

San Antonio weather for Sunday 4th October 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north.

28
°C maximum temperature
20
°C minimum temperature
broken clouds
2
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from N

San Antonio weather for Monday 5th October 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-east.