Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

65°F

18°C

Humidity 43%
Wind Speed E 6 mph
Barometer 30.40 in (1029.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 18 Oct 10:56 am CDT
Extended Forecast for

2 Miles SSE Martindale TX

  • Today

    Today: Sunny, with a high near 74. East northeast wind around 5 mph becoming calm  in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the morning.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. East northeast wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming east northeast around 5 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 74. East northeast wind around 5 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 52. Calm wind.
Monday
Partly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph.
Monday Night
Partly cloudy, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 84. Calm wind becoming northeast around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 58. East northeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 86. Calm wind becoming east northeast around 5 mph.
Wednesday Night
Clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 88. Calm wind.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Martindale TX
 29.81°N 97.83°W (Elev. 489 ft)
10:54 am CDT Oct 18, 2026
11am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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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