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.

Tuesday
14th Apr
31

21

4

7
Wednesday
15th Apr
30

21

4

7
Thursday
16th Apr
32

20

6

6
Friday
17th Apr
32

20

6

7
Saturday
18th Apr
28

17

1

4

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

Expect broken clouds in San Antonio, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.

31
°C maximum temperature
21
°C minimum temperature
broken clouds
4
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from SE

San Antonio weather for Wednesday 15th April 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a moderate breeze of 21 kph from the south.

30
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
40
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from S

San Antonio weather for Thursday 16th April 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a moderate breeze of 24 kph from the south-east.

32
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
12
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
24
kph wind from SE

San Antonio weather for Friday 17th April 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south.

32
°C maximum temperature
20
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
28
kph wind from S

San Antonio weather for Saturday 18th April 2026

Expect broken clouds 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 mm of rainfall expected and a moderate breeze of 24 kph from the north-east.