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.

Partly Cloudy

63°F

17°C

Humidity 84%
Wind Speed NE 9 mph
Barometer 30.17 in (1021.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 9 Nov 3:56 pm CST
Extended Forecast for

Maxwell TX

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Mostly cloudy, with a high near 67. North northeast wind around 5 mph becoming calm.

    High: 67 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 77. Calm wind becoming northwest around 5 mph.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Light west northwest wind becoming north northwest 5 to 10 mph after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. North wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. Calm wind.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 76. Calm wind becoming northwest around 5 mph.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Mostly cloudy, with a high near 67. North northeast wind around 5 mph becoming calm.
Tonight
A 20 percent chance of showers before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 71. Calm wind.
Tuesday Night
Partly cloudy, with a low around 56. Calm wind.
Veterans Day
Partly sunny, with a high near 77. Calm wind becoming northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 55. Light west northwest wind becoming north northwest 5 to 10 mph after midnight.
Thursday
Sunny, with a high near 75. North wind 5 to 10 mph.
Thursday Night
Clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 76. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly clear, with a low around 48.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 71.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Monday
A slight chance of showers. Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maxwell TX
 29.9°N 97.84°W (Elev. 597 ft)
Last Update:
4:32 pm CST Nov 9, 2026
Forecast Valid:
4pm CST Nov 9, 2026-6pm CST Nov 16, 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