San Antonio Airport (SAT) Weather 12/15/2025
Tonight
37
Partly Cloudy
Tuesday
59
Sunny
Tuesday Night
42
Partly Cloudy
Wednesday
66
Mostly Cloudy
Wednesday Night
50
Slight Chance Showers
Thursday
54
Chance Showers
Thursday Night
43
Chance Showers
Friday
57
Slight Chance Showers then Mostly Cloudy
Friday Night
46
Mostly Cloudy
Saturday
70
Mostly Sunny
Saturday Night
49
Mostly Clear
Sunday
74
Sunny
Sunday Night
45
Mostly Clear
Weekly Forecast
Tonight
Partly cloudy, with a low around 37. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 59. North wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 42. Southeast wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 66. South southwest wind around 5 mph becoming calm in the afternoon.
Wednesday Night
A 20 percent chance of showers. Cloudy, with a low around 50. Light and variable wind becoming north northeast 10 to 15 mph after midnight. Winds could gust as high as 20 mph.
Thursday
A 40 percent chance of showers. Cloudy, with a high near 54. North northeast wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
A 30 percent chance of showers. Cloudy, with a low around 43. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 57. North northeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly cloudy, with a low around 46. Calm wind becoming west around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 45.