San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 34°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Tuesday
28th Apr
34

24

4

6
Wednesday
29th Apr
28

22

5

6
Thursday
30th Apr
28

20

3

5
Friday
1st May
26

14

10

2
Saturday
2nd May
23

13

10

10

5-day weather forecast updated at 04:00 on Tuesday 28th 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 28th April 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

34
°C maximum temperature
24
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
19
kph wind from SE

San Antonio weather for Wednesday 29th April 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 19 kph from the north-east.

28
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
41
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from NE

San Antonio weather for Thursday 30th April 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the east.

28
°C maximum temperature
20
°C minimum temperature
broken clouds
3
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from E

San Antonio weather for Friday 1st May 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 26°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 10-20 mm of rainfall expected with 60% chance of some rain and a fresh breeze of 33 kph from the north.

26
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
2
UV index (Low)
60
% chance of some rain
<20
mm of rainfall expected
26
°C wind chill
33
kph wind from N

San Antonio weather for Saturday 2nd May 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 23°C, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north.