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.

A Few Clouds

91°F

33°C

Humidity 49%
Wind Speed S 8 mph
Barometer 29.95 in (1013.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 21 Sep 12:56 pm CDT
Extended Forecast for

Driftwood TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. South wind around 10 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South southeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 100. South wind 5 to 10 mph.

    High: 95 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. South southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 97. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. South southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. North wind around 5 mph.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. North wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. South wind around 10 mph.
Tonight
Partly cloudy, with a low around 71. South southeast wind 5 to 10 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 100. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 72. South southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 97. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. South southeast wind around 5 mph. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 91. South southwest wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. North wind around 5 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. North wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Driftwood TX
 30.11°N 98.02°W (Elev. 997 ft)
Last Update:
12:44 pm CDT Sep 21, 2025
Forecast Valid:
1pm CDT Sep 21, 2025-6pm CDT Sep 27, 2025
 
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