National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

73°F

23°C

Humidity 84%
Wind Speed SE 13 mph
Barometer 29.91 in (1011.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 7 Mar 3:56 am CST
Extended Forecast for

3 Miles SSE Buda TX

  • Today

    Today: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 83. South wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Chance
    Showers then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Cloudy, with a low around 55. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 70. North wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 83. Light south southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers, with thunderstorms also possible after midnight. Cloudy, with a low around 67. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 82. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. South southeast wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before noon. Sunny, with a high near 80. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 83. South wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Cloudy, with a low around 55. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 70. North wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
A chance of showers, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 83. Light south southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of showers, with thunderstorms also possible after midnight. Cloudy, with a low around 67. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 82. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. South southeast wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers, mainly before noon. Sunny, with a high near 80. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 69.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Buda TX
 30.04°N 97.81°W (Elev. 650 ft)
Last Update:
4:32 am CST Mar 7, 2026
Forecast Valid:
4am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation