San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 25°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Thursday
30th Apr
25

19

1

4
Friday
1st May
19

12

1

1
Saturday
2nd May
23

13

8

5
Sunday
3rd May
25

11

12

7
Monday
4th May
27

14

5

9

5-day weather forecast updated at 04:00 on Thursday 30th 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 Thursday 30th April 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 25°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 21 kph from the north-east.

25
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
57
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
21
kph wind from NE

San Antonio weather for Friday 1st May 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 19°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 30-40 mm of rainfall expected with 96% chance of some rain and a fresh breeze of 30 kph from the north-east.

19
°C maximum temperature
12
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
1
UV index (Low)
96
% chance of some rain
<40
mm of rainfall expected
19
°C wind chill
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 23°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-east.

23
°C maximum temperature
13
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
26
kph wind from NE

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 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

25
°C maximum temperature
11
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
25
°C wind chill
11
kph wind from SE

San Antonio weather for Monday 4th May 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.