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.

Wednesday
11th Mar
29

17

8

6
Thursday
12th Mar
20

11

12

8
Friday
13th Mar
26

8

12

8
Saturday
14th Mar
28

11

11

8
Sunday
15th Mar
32

16

9

7

5-day weather forecast updated at 04:00 on Wednesday 11th 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 11th March 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 10-20 mm of rainfall expected with 23% chance of some rain and a fresh breeze of 29 kph from the north.

29
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
23
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
29
kph wind from N

San Antonio weather for Thursday 12th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north.

20
°C maximum temperature
11
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
20
°C wind chill
29
kph wind from N

San Antonio weather for Friday 13th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

26
°C maximum temperature
8
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
15
kph wind from SW

San Antonio weather for Saturday 14th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

28
°C maximum temperature
11
°C minimum temperature
clear skies
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from S

San Antonio weather for Sunday 15th March 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south.