San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 31°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Wednesday
4th Mar
31

20

3

6
Thursday
5th Mar
31

20

5

7
Friday
6th Mar
30

20

4

6
Saturday
7th Mar
28

17

4

6
Sunday
8th Mar
25

16

0

4

5-day weather forecast updated at 04:00 on Wednesday 4th March 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 4th March 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

31
°C maximum temperature
20
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from SE

San Antonio weather for Thursday 5th March 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a moderate breeze of 26 kph from the south-east.

31
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
28
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
26
kph wind from SE

San Antonio weather for Friday 6th March 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 25 kph from the south-east.

30
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
57
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from SE

San Antonio weather for Saturday 7th March 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 18 kph from the south-east.

28
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
77
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
18
kph wind from SE

San Antonio weather for Sunday 8th March 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 17 kph from the north-east.