San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 33°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Saturday
20th Jun
33

25

5

5
Sunday
21st Jun
36

24

6

10
Monday
22nd Jun
37

25

7

9
Tuesday
23rd Jun
36

25

7

10
Wednesday
24th Jun
36

24

8

11

5-day weather forecast updated at 04:00 on Saturday 20th June 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 Saturday 20th June 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 16 kph from the south-east.

33
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
70
% chance of some rain
<20
mm of rainfall expected
H
high heat & humidity
16
kph wind from SE

San Antonio weather for Sunday 21st June 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south.

36
°C maximum temperature
24
°C minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
23
kph wind from S

San Antonio weather for Monday 22nd June 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south.

37
°C maximum temperature
25
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
23
kph wind from S

San Antonio weather for Tuesday 23rd June 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

36
°C maximum temperature
25
°C minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
20
kph wind from S

San Antonio weather for Wednesday 24th June 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.