San Antonio Airport (SAT) Weather 08/14/2025
Today
99
Hot
Tonight
77
Partly Cloudy
Friday
97
Mostly Sunny
Friday Night
77
Partly Cloudy then Slight Chance T-storms
Saturday
93
Chance Showers then Chance T-storms
Saturday Night
77
Partly Cloudy
Sunday
97
Mostly Sunny
Sunday Night
76
Mostly Clear
Monday
98
Mostly Sunny
Monday Night
77
Mostly Clear
Tuesday
98
Sunny then Chance T-storms
Tuesday Night
77
Slight Chance T-storms
Wednesday
98
Sunny then Chance T-storms
Weekly Forecast
Today
Sunny and hot, with a high near 99. Heat index values as high as 105. Calm wind becoming southeast around 5 mph in the morning.
Tonight
Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 97. Heat index values as high as 105. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 97. South southeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.