Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

96°F

36°C

Humidity 43%
Wind Speed SE 8 mph
Barometer 30.03 in (1016.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 23 Sep 1:56 pm CDT
Extended Forecast for

Buda TX

  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 97. Heat index values as high as 104. East wind around 5 mph.  Chance of precipitation is 20%.

    High: 97 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of thunderstorms before 7pm.  Mostly cloudy, with a low around 74. East southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming east around 5 mph in the morning.

    High: 98 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 74. East wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.

    High: 97 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. East wind around 5 mph becoming south after midnight.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 97. Calm wind becoming south around 5 mph.

    High: 97 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 97. South southwest wind around 5 mph.

    High: 97 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 97. Heat index values as high as 104. East wind around 5 mph. Chance of precipitation is 20%.
Tonight
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 74. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 98. Heat index values as high as 104. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 74. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 73. East wind around 5 mph becoming south after midnight.
Saturday
Partly sunny, with a high near 97. Calm wind becoming south around 5 mph.
Saturday Night
Mostly cloudy, with a low around 74. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 97. South southwest wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 96.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Buda TX
 30.06°N 97.84°W (Elev. 735 ft)
1:24 pm CDT Sep 23, 2026
2pm CDT Sep 23, 2026-6pm CDT Sep 29, 2026
 
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Additional Resources

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