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
15th Apr
31

21

3

6
Thursday
16th Apr
32

21

5

7
Friday
17th Apr
33

20

6

6
Saturday
18th Apr
29

16

0

6
Sunday
19th Apr
21

12

4

2

5-day weather forecast updated at 04:00 on Wednesday 15th 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 Wednesday 15th April 2026

Expect isolated thunderstorms 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 0-2 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 21 kph from the south.

31
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
26
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from S

San Antonio weather for Thursday 16th 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 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.

32
°C maximum temperature
21
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high 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 33°C, high levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south.

33
°C maximum temperature
20
°C minimum temperature
broken clouds
6
hours of sunshine
6
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 isolated thunderstorms in San Antonio, Texas with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 28 kph from the north-east.

29
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
6
UV index (High)
79
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
28
kph wind from NE

San Antonio weather for Sunday 19th April 2026

Expect mostly cloudy with rain in San Antonio, Texas with a maximum temperature of 21°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 33% chance of some rain and a fresh breeze of 30 kph from the north-east.