San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 30°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Wednesday
29th Apr
30

22

5

5
Thursday
30th Apr
27

20

5

5
Friday
1st May
20

13

0

2
Saturday
2nd May
22

13

7

5
Sunday
3rd May
25

12

10

10

5-day weather forecast updated at 04:00 on Wednesday 29th 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 29th April 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-east.

30
°C maximum temperature
22
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from SE

San Antonio weather for Thursday 30th April 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 20 kph from the north-east.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
51
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
20
kph wind from NE

San Antonio weather for Friday 1st May 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 20°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 87% chance of some rain and a fresh breeze of 30 kph from the north-east.

20
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
87
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
30
kph wind from NE

San Antonio weather for Saturday 2nd May 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north.

22
°C maximum temperature
13
°C minimum temperature
scattered clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
27
kph wind from N

San Antonio weather for Sunday 3rd May 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 25°C, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.