San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 32°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Monday
25th May
32

21

14

UV8
Tuesday
26th May
30

20

5

UV8
Wednesday
27th May
30

18

5

UV4
Thursday
28th May
32

20

7

UV6
Friday
29th May
33

21

8

UV9

5-day weather forecast updated at 04:00 on Tuesday 26th 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 Monday 25th May 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

32
°C maximum temperature
21
°C minimum temperature
clear skies
14
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
kph wind from E

San Antonio weather for Tuesday 26th May 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 18 kph from the south-east.

30
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV8
UV index (Very High)
63
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from SE

San Antonio weather for Wednesday 27th May 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 16 kph from the east.

30
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV4
UV index (Moderate)
53
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from E

San Antonio weather for Thursday 28th May 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

32
°C maximum temperature
20
°C minimum temperature
broken clouds
7
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
16
kph wind from E

San Antonio weather for Friday 29th May 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.