14 days forecast San Antonio
See the weather for the coming 14 days in San Antonio.
Tuesday, September 15 
90%
25° / 31°
3
90%Sun and chance of a shower
Total precipitation 2 mm
Precipitation chance 65%
UV index 13
Wednesday, September 16 
80%
25° / 31°
3
80%Thunderstorms, sometimes sun
Total precipitation 13.8 mm
Precipitation chance 95%
UV index 13
Thursday, September 17 
90%
25° / 31°
3
90%Some thunderstorms, also sun
Total precipitation 9.2 mm
Precipitation chance 95%
UV index 13
Friday, September 18 90%
25° / 32°
3
90%Some thunderstorms, also sun
Total precipitation 5.4 mm
Precipitation chance 90%
UV index 12
Saturday, September 19 90%
26° / 31°
3
90%Some thunderstorms, also sun
Total precipitation 6.9 mm
Precipitation chance 90%
UV index 12
Sunday, September 20 
85%
26° / 31°
3
85%Sun, but also an occasional shower
Total precipitation 5.4 mm
Precipitation chance 90%
UV index 11
Monday, September 21 85%
25° / 31°
3
85%Sun, but also an occasional shower
Total precipitation 5.5 mm
Precipitation chance 90%
UV index 11
Tuesday, September 22 85%
25° / 31°
3
85%Sun, but also an occasional shower
Total precipitation 6.2 mm
Precipitation chance 90%
UV index 10
Wednesday, September 23 
70%
25° / 31°
3
70%Heavy showers possible
Total precipitation 10.6 mm
Precipitation chance 95%
UV index 9
Thursday, September 24 70%
25° / 31°
3
70%Sun, but also an occasional shower
Total precipitation 9.7 mm
Precipitation chance 95%
UV index 9
Friday, September 25 70%
25° / 31°
3
70%Sun, but also an occasional shower
Total precipitation 9.8 mm
Precipitation chance 95%
UV index 9
Saturday, September 26 80%
25° / 31°
3
80%Sun, but also an occasional shower
Total precipitation 4.9 mm
Precipitation chance 85%
UV index 10
Sunday, September 27 75%
25° / 31°
3
75%Sun, but also an occasional shower
Total precipitation 7.4 mm
Precipitation chance 90%
UV index 10
Monday, September 28 75%
25° / 31°
3
75%Sun, but also an occasional shower
Total precipitation 7.6 mm
Precipitation chance 95%
UV index 9
Tuesday, September 29 70%
25° / 31°
3
70%Sun, but also an occasional shower
Total precipitation 7.1 mm
Precipitation chance 90%
UV index 9