San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 15°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Monday
16th Mar
15

5

7

6
Tuesday
17th Mar
21

6

11

7
Wednesday
18th Mar
27

10

11

8
Thursday
19th Mar
30

13

12

8
Friday
20th Mar
33

15

12

8

5-day weather forecast updated at 04:00 on Tuesday 17th March 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 16th March 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 15°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the north.

15
°C maximum temperature
5
°C minimum temperature
scattered clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
36
kph wind from N

San Antonio weather for Tuesday 17th March 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 21°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

21
°C maximum temperature
6
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
21
°C wind chill
18
kph wind from S

San Antonio weather for Wednesday 18th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

27
°C maximum temperature
10
°C minimum temperature
clear skies
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from S

San Antonio weather for Thursday 19th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

30
°C maximum temperature
13
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from S

San Antonio weather for Friday 20th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 8 (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-west.