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

81°F

27°C

Humidity 65%
Wind Speed NE 5 mph
Barometer 30.14 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 1 Aug 11:56 pm CDT
Extended Forecast for

Driftwood TX

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 101. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 40%.

    High: 96 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South southeast wind around 5 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the morning.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. East southeast wind around 5 mph becoming south after midnight.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Partly cloudy, with a low around 74. Calm wind.
Saturday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 101. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South southeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Tuesday
Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 73. East southeast wind around 5 mph becoming south after midnight.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 74.
Friday
Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Driftwood TX
 30.11°N 98.02°W (Elev. 997 ft)
Last Update:
12:02 am CDT Aug 2, 2025
Forecast Valid:
12am CDT Aug 2, 2025-6pm CDT Aug 8, 2025
 
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