14 days forecast San Antonio
See the weather for the coming 14 days in San Antonio.
Sunday, September 8 
90%
21° / 31°
3
90%Radiant sunny weather
Total precipitation 0 mm
Precipitation chance 0%
UV index 10
Monday, September 9 90%
20° / 31°
3
90%Radiant sunny weather
Total precipitation 0 mm
Precipitation chance 0%
UV index 10
Tuesday, September 10 
85%
22° / 32°
3
85%Lots of sun, few clouds
Total precipitation 0.7 mm
Precipitation chance 20%
UV index 10
Wednesday, September 11 
55%
22° / 31°
3
55%Some thunderstorms, also sun
Total precipitation 3.4 mm
Precipitation chance 80%
UV index 7
Thursday, September 12 
75%
23° / 31°
3
75%Sun and chance of a shower
Total precipitation 1 mm
Precipitation chance 35%
UV index 6
Friday, September 13 75%
24° / 32°
2
75%Lots of sun, few clouds
Total precipitation 0.8 mm
Precipitation chance 25%
UV index 7
Saturday, September 14 65%
24° / 32°
3
65%Sun and chance of a shower
Total precipitation 1.6 mm
Precipitation chance 55%
UV index 6
Sunday, September 15 65%
24° / 32°
3
65%Sun and chance of a shower
Total precipitation 2 mm
Precipitation chance 65%
UV index 6
Monday, September 16 75%
24° / 33°
2
75%Lots of sun, few clouds
Total precipitation 0.8 mm
Precipitation chance 25%
UV index 5
Tuesday, September 17 90%
24° / 33°
3
90%Sun and chance of a shower
Total precipitation 2.3 mm
Precipitation chance 70%
UV index 7
Wednesday, September 18 90%
24° / 33°
3
90%Sun and chance of a shower
Total precipitation 1.6 mm
Precipitation chance 55%
UV index 6
Thursday, September 19 85%
24° / 34°
3
85%Sun and chance of a shower
Total precipitation 1.9 mm
Precipitation chance 60%
UV index 6
Friday, September 20 
80%
25° / 33°
3
80%Sun, but also an occasional shower
Total precipitation 3.4 mm
Precipitation chance 80%
UV index 6
Saturday, September 21 80%
24° / 33°
3
80%Sun and chance of a shower
Total precipitation 1.5 mm
Precipitation chance 50%
UV index 6
Sunday, September 22 80%
24° / 32°
3
80%Sun and chance of a shower
Total precipitation 2.3 mm
Precipitation chance 70%
UV index 6