San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 28°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Monday
9th Mar
28

16

1

4
Tuesday
10th Mar
29

20

3

5
Wednesday
11th Mar
29

17

11

8
Thursday
12th Mar
21

11

12

8
Friday
13th Mar
27

9

12

8

5-day weather forecast updated at 04:00 on Monday 9th 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 Monday 9th March 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a gentle breeze of 16 kph from the south-east.

28
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
19
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
16
kph wind from SE

San Antonio weather for Tuesday 10th March 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south.

29
°C maximum temperature
20
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from S

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 8 (Very High) and 11 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 24 kph from the north.

29
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
8
UV index (Very High)
46
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
24
kph wind from N

San Antonio weather for Thursday 12th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north.

21
°C maximum temperature
11
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from N

San Antonio weather for Friday 13th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.