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.

Mostly Cloudy

84°F

29°C

Humidity 53%
Wind Speed S 13 mph
Barometer 29.90 in (1011.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Apr 4:56 pm CDT
Extended Forecast for

Fentress TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind around 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 69. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 90. South wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 90 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 69. South southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. South southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    High: 79 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 54. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 70. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 69. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 89. South wind 5 to 10 mph.
Thursday Night
Increasing clouds, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 90. South wind 10 to 20 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 69. South southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. South southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 54. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 70. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 56. Chance of precipitation is 30%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 63.
Wednesday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fentress TX
 29.75°N 97.78°W (Elev. 436 ft)
Last Update:
5:32 pm CDT Apr 15, 2026
Forecast Valid:
5pm CDT Apr 15, 2026-6pm CDT Apr 22, 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