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.

Overcast

68°F

20°C

Humidity 90%
Wind Speed NW 3 mph
Barometer 30.07 in (1017.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 13 Sep 6:56 am CDT
Extended Forecast for

Maxwell TX

  • Today

    Today: Mostly sunny, with a high near 96. Light and variable wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 96 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Southwest wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. South wind 5 to 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 95. East southeast wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. East southeast wind 5 to 10 mph becoming light east after midnight.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Light and variable wind becoming east southeast 5 to 10 mph in the morning.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. East southeast wind 5 to 10 mph becoming west southwest after midnight.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 96. Northwest wind 5 to 10 mph becoming southeast in the afternoon.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 96. Light and variable wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 68. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 96. Southwest wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 67. South wind 5 to 10 mph.
Monday
Sunny, with a high near 95. East southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 65. East southeast wind 5 to 10 mph becoming light east after midnight.
Tuesday
Sunny, with a high near 96. Light and variable wind becoming east southeast 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 66. East southeast wind 5 to 10 mph becoming west southwest after midnight.
Wednesday
Mostly sunny, with a high near 96. Northwest wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maxwell TX
 29.88°N 97.83°W (Elev. 571 ft)
Last Update:
6:42 am CDT Sep 13, 2025
Forecast Valid:
7am CDT Sep 13, 2025-6pm CDT Sep 19, 2025
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation