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.

Overcast

62°F

17°C

Humidity 54%
Wind Speed NE 16 mph
Barometer 30.26 in (1024.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 5 Apr 5:56 pm CDT
Extended Forecast for

3 Miles SSE Buda TX

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 50. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 71. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. East northeast wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. Calm wind becoming east around 5 mph in the morning.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. Calm wind becoming southeast around 5 mph in the morning.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. South southeast wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph.

    High: 82 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. Southeast wind 5 to 10 mph.

    Low: 62 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 50. North wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 71. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 48. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 73. Calm wind becoming east around 5 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 76. Calm wind becoming southeast around 5 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 60. South southeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. Southeast wind 5 to 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82.
Friday Night
Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 80.
Saturday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 66.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
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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 Apr 5, 2026
Forecast Valid:
6pm CDT Apr 5, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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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