San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 32°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Tuesday
5th May
32

20

4

8
Wednesday
6th May
31

23

7

8
Thursday
7th May
24

16

0

8
Friday
8th May
27

15

13

8
Saturday
9th May
31

18

12

9

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

Expect broken clouds in San Antonio, Texas with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

32
°C maximum temperature
20
°C minimum temperature
broken clouds
4
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from S

San Antonio weather for Wednesday 6th May 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a gentle breeze of 17 kph from the east.

31
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
34
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from E

San Antonio weather for Thursday 7th May 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 24°C, maximum UV of 8 (Very High) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 24 kph from the north-east.

24
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
8
UV index (Very High)
51
% chance of some rain
<10
mm of rainfall expected
24
°C wind chill
24
kph wind from NE

San Antonio weather for Friday 8th May 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

27
°C maximum temperature
15
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from SE

San Antonio weather for Saturday 9th May 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a gentle breeze of 15 kph from the south-east.