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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Antonio, TX
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August
Average Temperature
High
35°
Feels 38
Low
24°
Feels 26
Average Precipitation
6 Days
Rain amount
51.1mm
Snow amount
0cm
Content continues below
Daily Historical Averages
August 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
38°
19
39°
20
39°
21
39°
22
39°
23
40°
24
39°
25
39°
26
40°
27
39°
28
38°
29
38°
30
38°
31
38°
Forecast
Tuesday, August 18, 2026
Day
38°
Feels 39
Wind
15 km/h S
Gust
22 km/h
Humidity
27%
P.O.P
0%
Night
26°
Feels 26
Wind
23 km/h S
Gust
34 km/h
Humidity
76%
P.O.P
20%
Historical Averages
Aug 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.