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

52°F

11°C

Humidity 89%
Wind Speed NW 6 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Nov 11:56 pm CST
Extended Forecast for

Fentress TX

  • Overnight

    Overnight: Clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Partly sunny, with a high near 72. East northeast wind 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after midnight. Cloudy, with a low around 56. East southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 70. East southeast wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 50. North northeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 59. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 49. Calm wind.
Friday
Sunny, with a high near 78. Calm wind.
Friday Night
Mostly clear, with a low around 50. Calm wind.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 72. East northeast wind 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Showers likely, mainly after midnight. Cloudy, with a low around 56. East southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. High near 70. East southeast wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 50. North northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly cloudy, with a high near 59. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 50. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 67.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fentress TX
 29.72°N 97.75°W (Elev. 407 ft)
Last Update:
1:42 am CST Nov 13, 2026
Forecast Valid:
1am CST Nov 13, 2026-6pm CST Nov 19, 2026
 
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