Monthly Historical AveragesSan Antonio Intl Airport, TX
Average Temperature
High
27°
Feels 28
Low
15°
Feels 15
Average Precipitation
6 Days
56mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 21, 2026
Day
20°Feels 20
Wind
15 km/h E
Gust
22 km/h
Humidity
90%
P.O.P
90%
Rain
2-4 mm
Night
17°Feels 17
Wind
18 km/h E
Gust
27 km/h
Humidity
101%
P.O.P
60%
Rain
~1 mm
Historical AveragesApr 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity