San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 27°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Friday
8th May
27

19

2

2
Saturday
9th May
31

21

5

8
Sunday
10th May
33

21

7

5
Monday
11th May
30

20

9

9
Tuesday
12th May
31

18

10

9

5-day weather forecast updated at 04:00 on Friday 8th 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 Friday 8th May 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a light breeze of 12 kph from the north-east.

27
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
2
UV index (Low)
31
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
kph wind from NE

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 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a light breeze of 12 kph from the south-east.

31
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
33
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SE

San Antonio weather for Sunday 10th May 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

33
°C maximum temperature
21
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
H
high heat & humidity
16
kph wind from S

San Antonio weather for Monday 11th May 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-east.

30
°C maximum temperature
20
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from NE

San Antonio weather for Tuesday 12th May 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.