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September 19th, 2025 :: 11:44 am CDT   

Local Weather Report for
San Marcos
Texas, United States

 Current San Marcos Weather Conditions Updated September 19th at 10:56 am 
Mostly Sunny
Temperature:29°C Dew Point:21°C
Barometer:101.8 kPa Wind: 10 Km/h
Humidity:62.1% Visibility:0 Km
 
 San Marcos Weather Forecast Summary  
 
Today
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Tuesday
Sep 23rd
Mostly Sunny Cloudy Cloudy Mix of Cloud and Sun Cloudy
37°C
37°C
22°C
35°C
22°C
38°C
22°C
39°C
22°C
 
 San Marcos Detailed Weather Forecast  
 
Friday, September 19th, 2025
Afternoon Temperature: 35°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 26°C
Clear with cloudy periods. Chance of a thunderstorm. Windy at times.
Saturday, September 20th, 2025
Overnight Temperature: 22°C
A mix of cloudy and clear skies. Chance of a thunderstorm.
Morning Temperature: 31°C
Sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 35°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 26°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Sunday, September 21st, 2025
Overnight Temperature: 22°C
Clear. Slight chance of a thunderstorm.
Morning Temperature: 32°C
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 33°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 26°C
Clear. Slight chance of a thunderstorm. Windy at times.
Monday, September 22nd, 2025
Overnight Temperature: 23°C
Clear with cloudy periods. Slight chance of a thunderstorm.
Morning Temperature: 32°C
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 36°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 26°C
Clear with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Tuesday, September 23rd, 2025
Overnight Temperature: 23°C
Clear with cloudy periods. Slight chance of a thunderstorm.
Morning Temperature: 32°C
A mix of sun and cloud. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 37°C
Cloudy. Windy at times.
Evening Temperature: 26°C
Clear. Slight chance of a thunderstorm. Windy at times.
Wednesday, September 24th, 2025
Overnight Temperature: 23°C
Clear with cloudy periods. Chance of a thunderstorm.
Morning Temperature: 33°C
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 37°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 29°C
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times.
Thursday, September 25th, 2025
Overnight Temperature: 24°C
Clear with cloudy periods. Chance of a thunderstorm. Windy at times.
Morning Temperature: 33°C
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 37°C
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 27°C
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times.
Friday, September 26th, 2025
Overnight Temperature: 24°C
Cloudy. Chance of a thunderstorm.
Morning Temperature: 33°C
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 37°C
A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 27°C
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy.
Saturday, September 27th, 2025
Overnight Temperature: 25°C
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times.
Morning Temperature: 33°C
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 32°C
Cloudy with showers likely. Chance of a thunderstorm. Wind 30 to 50 km/h.
Evening Temperature: 25°C
Cloudy with showers likely. Windy at times.





 

  [ Local Weather Report ]
Kyle, TX 
10:56 AM  29°C
Mostly Sunny
 
Lockhart, TX 
10:56 AM  29°C
Mostly Sunny
 
Buda, TX 
10:53 AM  29°C
Mostly Sunny
 
New Braunfels, TX 
10:51 AM  28°C
 
 
Wimberley, TX 
 
Gruene, TX 
10:51 AM  28°C
 
 
Manchaca, TX 
10:53 AM  29°C
Mostly Sunny
 
Seguin, TX 
10:55 AM  29°C
Overcast
 
Austin, TX 
10:51 AM  30°C
 
 
West Lake Hills, TX 
10:51 AM  30°C
 

This WeatherCity Weather Forecast for San Marcos, Texas, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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