San Antonio weather live forecast

Today's maximum temperature in San Antonio is expected to be 17°C. Select a day from the live weather forecast for San Antonio, Texas, USA for more weather parameters.

Monday
16th Mar
17

6

7

7
Tuesday
17th Mar
22

6

12

7
Wednesday
18th Mar
27

8

7

8
Thursday
19th Mar
29

12

8

8
Friday
20th Mar
34

13

12

7

5-day weather forecast updated at 04:00 on Monday 16th 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 17°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the north.

17
°C maximum temperature
6
°C minimum temperature
scattered clouds
7
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
37
kph wind from N

San Antonio weather for Tuesday 17th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 22°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

22
°C maximum temperature
6
°C minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
22
°C wind chill
20
kph wind from S

San Antonio weather for Wednesday 18th March 2026

Expect scattered clouds in San Antonio, Texas with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 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
8
°C minimum temperature
scattered clouds
7
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 scattered clouds in San Antonio, Texas with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

29
°C maximum temperature
12
°C minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from S

San Antonio weather for Friday 20th March 2026

Expect clear skies in San Antonio, Texas with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.