This page presents a long range weather forecast for San Antonio in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The San Antonio extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
29° / 22°
Thursday
May 2
32° / 23°
Friday
May 3
27° / 20°
Saturday
May 4
23° / 17°
Sunday
May 5
28° / 20°
Monday
May 6
32° / 20°
Tuesday
May 7
32° / 21°
Wednesday
May 8
35° / 21°
Thursday
May 9
36° / 22°
Friday
May 10
38° / 24°
Saturday
May 11
32° / 19°
Sunday
May 12
30° / 19°
Monday
May 13
29° / 18°
Tuesday
May 14
31° / 20°
Wednesday
May 15
30° / 20°
Thursday
May 16
31° / 21°
Friday
May 17
33° / 21°
Saturday
May 18
34° / 22°
Sunday
May 19
33° / 21°
Monday
May 20
32° / 21°
Tuesday
May 21
31° / 22°
Wednesday
May 22
30° / 20°
Thursday
May 23
31° / 22°
Friday
May 24
31° / 22°
Saturday
May 25
30° / 21°
Sunday
May 26
30° / 20°
Monday
May 27
33° / 21°
Tuesday
May 28
32° / 22°
Wednesday
May 29
31° / 22°
Thursday
May 30
31° / 21°
Friday
May 31
32° / 22°
San Antonio 30 days weather forecast
Check out our estimated 30 days weather forecast for San Antonio, this data is based on the average weather in San Antonio in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for San Antonio next to the desired date.