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

84°F

29°C

Humidity 36%
Wind Speed NE 7 mph
Barometer 29.70 in (1005.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Feb 1:56 pm CST
Extended Forecast for

3 Miles SSE Buda TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 57. North northeast wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 76. Northeast wind around 5 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59. East northeast wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. North wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42. North wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. Northeast wind 5 to 10 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. North northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. North wind around 5 mph.
Tonight
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 57. North northeast wind around 5 mph becoming calm.
Friday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 76. Northeast wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 59. East northeast wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 76. North wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly clear, with a low around 42. North wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 64. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 38. Northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 66. North northeast wind around 5 mph becoming east southeast in the afternoon.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 85.
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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 19, 2026
Forecast Valid:
2pm CST Feb 19, 2026-6pm CST Feb 25, 2026
 
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