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

65°F

18°C

Humidity 27%
Wind Speed Vrbl 6 mph
Barometer 30.37 in (1028.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 5 Feb 12:56 pm CST
Extended Forecast for

3 Miles SSE Buda TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. West northwest wind around 5 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. Light west wind becoming west southwest 5 to 10 mph in the evening.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80. West wind around 5 mph becoming calm in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46. Calm wind becoming north around 5 mph after midnight.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78. North wind around 5 mph becoming southeast in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm after midnight.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 76. Light south wind increasing to 5 to 10 mph in the morning.

    High: 76 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. South wind around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 70. West northwest wind around 5 mph.
Tonight
Clear, with a low around 45. Light west wind becoming west southwest 5 to 10 mph in the evening.
Friday
Sunny, with a high near 80. West wind around 5 mph becoming calm in the afternoon.
Friday Night
Clear, with a low around 46. Calm wind becoming north around 5 mph after midnight.
Saturday
Sunny, with a high near 78. North wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm after midnight.
Sunday
Mostly cloudy, with a high near 76. Light south wind increasing to 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 53. South wind around 5 mph.
Monday
Mostly cloudy, with a high near 78. South wind 5 to 10 mph.
Monday Night
A 30 percent chance of showers, mainly after midnight. Cloudy, with a low around 57.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 76.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 82.
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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:
12:44 pm CST Feb 5, 2026
Forecast Valid:
1pm CST Feb 5, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation