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.

Light Rain

66°F

19°C

Humidity 84%
Wind Speed S 9 mph
Barometer 30.19 in (1021.8 mb)
Dewpoint 61°F (16°C)
Visibility 2.50 mi
Last update 10 Nov 12:56 pm CST
Extended Forecast for

2 Miles S Martindale TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 3pm. Mostly cloudy, with a high near 70. Calm wind.

    High: 70 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Veterans Day

    Veterans Day: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Calm wind.

    High: 77 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

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

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76. North wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51. Calm wind.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 73. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 3pm. Mostly cloudy, with a high near 70. Calm wind.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 57. Calm wind.
Veterans Day
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 77. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 55. Light north wind becoming north northwest 5 to 10 mph after midnight.
Thursday
Sunny, with a high near 76. North wind 5 to 10 mph.
Thursday Night
Clear, with a low around 51. Calm wind.
Friday
Sunny, with a high near 77. Calm wind.
Friday Night
Mostly clear, with a low around 51. Calm wind.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 73. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 72.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Martindale TX
 29.81°N 97.83°W (Elev. 489 ft)
Last Update:
1:42 pm CST Nov 10, 2026
Forecast Valid:
1pm CST Nov 10, 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