10 day forecast Monthly forecast Weather map

City or area

Go to comparison

August weather forecast in San Antonio

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

27 July, sun

	765 mmHg		87%
	6.9 m/s		+13

27 July, Sunday. day, 12°; night, 10°; partly cloudy

28 July, mon

	764 mmHg		87%
	7 m/s		+13

28 July, Monday. day, 12°; night, 10°; clear

29 July, tue

	764 mmHg		87%
	6.8 m/s		+13

29 July, Tuesday. day, 12°; night, 10°; partly cloudy

30 July, wed

	764 mmHg		87%
	6.6 m/s		+13

30 July, Wednesday. day, 12°; night, 10°; overcast

31 July, thu

	764 mmHg		88%
	5.8 m/s		+12

31 July, Thursday. day, 12°; night, 10°; overcast

1 August, fri

	764 mmHg		86%
	7.3 m/s		+13

1 August, Friday. day, 12°; night, 10°; overcast

2 August, sat

	764 mmHg		87%
	7.4 m/s		+13

2 August, Saturday. day, 12°; night, 10°; rain

3 August, sun

	764 mmHg		87%
	6.5 m/s		+13

3 August, Sunday. day, 12°; night, 10°; partly cloudy

4 August, mon

	764 mmHg		86%
	6.8 m/s		+13

4 August, Monday. day, 12°; night, 10°; partly cloudy

5 August, tue

	765 mmHg		85%
	6.9 m/s		+13

5 August, Tuesday. day, 12°; night, 10°; overcast

6 August, wed

	765 mmHg		84%
	7.7 m/s		+13

6 August, Wednesday. day, 12°; night, 10°; rain

7 August, thu

	764 mmHg		85%
	7.6 m/s		+13

7 August, Thursday. day, 12°; night, 10°; clear

8 August, fri

	764 mmHg		85%
	7.7 m/s		+13

8 August, Friday. day, 13°; night, 10°; clear

9 August, sat

	764 mmHg		86%
	7 m/s		+13

9 August, Saturday. day, 12°; night, 10°; clear

10 August, sun

	764 mmHg		87%
	7.1 m/s		+13

10 August, Sunday. day, 12°; night, 10°; partly cloudy

11 August, mon

	764 mmHg		87%
	7.5 m/s		+13

11 August, Monday. day, 12°; night, 10°; clear

12 August, tue

	765 mmHg		85%
	7.2 m/s		+13

12 August, Tuesday. day, 12°; night, 10°; partly cloudy

13 August, wed

	764 mmHg		85%
	7.1 m/s		+13

13 August, Wednesday. day, 12°; night, 10°; partly cloudy

14 August, thu

	764 mmHg		85%
	7.3 m/s		+12

14 August, Thursday. day, 12°; night, 10°; rain

15 August, fri

	764 mmHg		84%
	7.6 m/s		+12

15 August, Friday. day, 12°; night, 10°; overcast

16 August, sat

	764 mmHg		85%
	8.1 m/s		+13

16 August, Saturday. day, 12°; night, 10°; rain

17 August, sun

	764 mmHg		87%
	7.1 m/s		+13

17 August, Sunday. day, 12°; night, 10°; partly cloudy

18 August, mon

	765 mmHg		86%
	7.3 m/s		+13

18 August, Monday. day, 12°; night, 10°; rain

19 August, tue

	765 mmHg		84%
	7.4 m/s		+13

19 August, Tuesday. day, 12°; night, 10°; rain

20 August, wed

	764 mmHg		86%
	6.9 m/s		+13

20 August, Wednesday. day, 12°; night, 10°; clear

21 August, thu

	763 mmHg		86%
	6.7 m/s		+13

21 August, Thursday. day, 12°; night, 10°; clear

22 August, fri

	763 mmHg		88%
	6.7 m/s		+13

22 August, Friday. day, 12°; night, 10°; overcast

23 August, sat

	764 mmHg		85%
	7.1 m/s		+13

23 August, Saturday. day, 12°; night, 10°; overcast

24 August, sun

	764 mmHg		84%
	7.8 m/s		+13

24 August, Sunday. day, 12°; night, 10°; clear

25 August, mon

	765 mmHg		86%
	7.5 m/s		+13

25 August, Monday. day, 12°; night, 10°; clear

26 August, tue

	764 mmHg		87%
	7.5 m/s		+13

26 August, Tuesday. day, 13°; night, 10°; clear

27 August, wed

	764 mmHg		87%
	7.2 m/s		+13

27 August, Wednesday. day, 12°; night, 10°; clear

28 August, thu

	764 mmHg		85%
	7 m/s		+13

28 August, Thursday. day, 13°; night, 11°; overcast

29 August, fri

	764 mmHg		88%
	7.2 m/s		+13

29 August, Friday. day, 12°; night, 10°; clear

30 August, sat

	764 mmHg		86%
	7.2 m/s		+13

30 August, Saturday. day, 12°; night, 10°; partly cloudy

31 August, sun

	764 mmHg		85%
	7.1 m/s		+13

31 August, Sunday. day, 12°; night, 10°; partly cloudy

1 September, mon

	764 mmHg		85%
	7.8 m/s		+13

1 September, Monday. day, 12°; night, 10°; clear

2 September, tue

	764 mmHg		85%
	7 m/s		+13

2 September, Tuesday. day, 12°; night, 10°; overcast

3 September, wed

	764 mmHg		86%
	6.7 m/s		+13

3 September, Wednesday. day, 12°; night, 10°; partly cloudy

4 September, thu

	764 mmHg		87%
	7.1 m/s		+13

4 September, Thursday. day, 12°; night, 10°; partly cloudy

5 September, fri

	764 mmHg		87%
	7 m/s		+13

5 September, Friday. day, 12°; night, 10°; rain

6 September, sat

	764 mmHg		87%
	6.9 m/s		+13

6 September, Saturday. day, 12°; night, 11°; rain

Average data for 10 years

San Antonio August

11

sunny days

6

days with precipitation

7

cloudy days

11 sunny days; 6 days with precipitation; 7 cloudy days;

86

%

air humidity

4.8

m/s

WindS

71

mm of precipitation

(18% of annual average)

+13

°C

Water temperature

air humidity 86%; 71 millimeters of precipitation (18% of annual average); Wind southerly 4.8 Meters per second; Water temperature +13°

Weather graphs for August

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

S

S

SW

SW

SW

S

S

S

SW

SW

S

SW

S

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Santiago
Mendoza
Valparaiso
Vina del Mar
Rancagua
Concepcion
La Serena
Concon
San Rafael

Cities with similar weather in August

Cholpon-Ata
Sydney
Reykyavik
Dublin
Buenos Aires
Melbourne
Wellington
Auckland
Capetown

The weather forecast for August 2025 is based on historical data from the past 10 years.

In August, the weather in San Antonio is typically warm. Average daily high temperature in August is about 12 degrees above zero. On average, San Antonio has 11 sunny, 8 partly cloudy, 6 rainy, and 6 cloudy days in August. The rains are usually heavy. August as well as June and July is considered the most uncomfortable time to visit San Antonio.

Links

Help Terms of use Contact us

For partners

Advertisement Yandex.Weather API

Weather forecasts

Hourly forecast Detailed 10 day forecast Monthly forecast Weather map Magnetic storms

Download app

English

English
Русский

Source data: Yandex.Traffic, Roshydromet FSBI "CAO", NOAA, © OpenStreetMap

© 2017–2025 YANDEX LLC