National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

66°F

19°C

Humidity 68%
Wind Speed NW 6 mph
Barometer 30.08 in (1017.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Sep 7:56 am CDT
Extended Forecast for

Martindale TX

  • Today

    Today: Sunny, with a high near 95. North northwest wind around 5 mph becoming northeast in the afternoon.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Calm wind becoming west around 5 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. East southeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 95. North northwest wind around 5 mph becoming northeast in the afternoon.
Tonight
Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 96. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 96. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 65. East southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Martindale TX
 29.86°N 97.83°W (Elev. 548 ft)
Last Update:
6:42 am CDT Sep 30, 2025
Forecast Valid:
8am CDT Sep 30, 2025-6pm CDT Oct 6, 2025
 
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