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

86°F

30°C

Humidity 36%
Wind Speed S 13 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 24 Mar 5:56 pm CDT
Extended Forecast for

3 Miles SSE Buda TX

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South wind around 10 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 89. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 89. South wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. North northeast wind around 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. Northeast wind around 10 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. East northeast wind 5 to 10 mph becoming south southeast after midnight.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 64. South wind around 10 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 89. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Increasing clouds, with a low around 62. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 62. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 89. South wind 5 to 10 mph becoming east southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 58. North northeast wind around 10 mph.
Saturday
Partly sunny, with a high near 82. Northeast wind around 10 mph.
Saturday Night
Mostly clear, with a low around 54. East northeast wind 5 to 10 mph becoming south southeast after midnight.
Sunday
Sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 90.
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:
5:32 pm CDT Mar 24, 2026
Forecast Valid:
6pm CDT Mar 24, 2026-6pm CDT Mar 31, 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