San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 20°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Friday
1st May
20

12

0

2
Saturday
2nd May
23

11

8

9
Sunday
3rd May
25

11

12

9
Monday
4th May
28

14

9

9
Tuesday
5th May
31

19

6

8

5-day weather forecast updated at 04:00 on Friday 1st 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 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 40-50 mm of rainfall expected with 96% chance of some rain and a fresh breeze of 30 kph from the north-east.

20
°C maximum temperature
12
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
96
% chance of some rain
<50
mm of rainfall expected
20
°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 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north.

23
°C maximum temperature
11
°C minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
26
kph wind from N

San Antonio weather for Sunday 3rd May 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

25
°C maximum temperature
11
°C minimum temperature
clear skies
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
14
kph wind from SE

San Antonio weather for Monday 4th May 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 28°C, low 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 21 kph from the south.

28
°C maximum temperature
14
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from S

San Antonio weather for Tuesday 5th May 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.