San Antonio Airport (SAT) Weather 07/13/2026
Tonight
75
Increasing Clouds
Thursday
93
Decreasing Clouds
Thursday Night
75
Mostly Clear
Friday
94
Decreasing Clouds
Friday Night
76
Mostly Clear
Independence Day
95
Mostly Sunny
Saturday Night
76
Mostly Clear
Sunday
95
Mostly Sunny
Sunday Night
76
Partly Cloudy
Monday
94
Mostly Sunny
Monday Night
76
Partly Cloudy
Tuesday
95
Mostly Sunny
Tuesday Night
76
Mostly Clear
Weekly Forecast
Tonight
Increasing clouds, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 93. Light south southeast wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 100. South southeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph.
Independence Day
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 95. South southeast wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 76.