San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 37°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Wednesday
8th Jul
37

25

8

10
Thursday
9th Jul
36

25

7

10
Friday
10th Jul
34

25

4

9
Saturday
11th Jul
33

25

4

9
Sunday
12th Jul
34

25

5

10

5-day weather forecast updated at 04:00 on Wednesday 8th July 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 Wednesday 8th July 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

37
°C maximum temperature
25
°C minimum temperature
scattered clouds
8
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
20
kph wind from S

San Antonio weather for Thursday 9th July 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 23 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
23
kph wind from S

San Antonio weather for Friday 10th July 2026

Expect broken clouds in San Antonio, Texas with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

34
°C maximum temperature
25
°C minimum temperature
broken clouds
4
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
22
kph wind from SE

San Antonio weather for Saturday 11th July 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 20 kph from the south-east.

33
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
67
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
20
kph wind from SE

San Antonio weather for Sunday 12th July 2026

Expect isolated thunderstorms in San Antonio, Texas with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 17 kph from the south-east.