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.

Fair

80°F

27°C

Humidity 51%
Wind Speed S 9 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 2 Mar 12:56 pm CST
Extended Forecast for

3 Miles SSE Buda TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 82. South southeast wind around 10 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of drizzle after midnight. Increasing clouds, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Drizzle

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before noon, then a chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before noon. Partly sunny, with a high near 87. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 87 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 67. South southeast wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 82. South southeast wind around 10 mph.
Tonight
Increasing clouds, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of drizzle after midnight. Increasing clouds, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers and thunderstorms before noon, then a chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
A 20 percent chance of showers before noon. Partly sunny, with a high near 87. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 67. South southeast wind 15 to 20 mph, with gusts as high as 25 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 60. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 74. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Buda TX
 30.04°N 97.81°W (Elev. 650 ft)
Last Update:
12:48 pm CST Mar 2, 2026
Forecast Valid:
1pm CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation