Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

65°F

18°C

Humidity 81%
Wind Speed N 13 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 11 Mar 4:56 am CDT
Extended Forecast for

5 Miles WSW Martindale TX

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 64. North wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 10am.  Mostly cloudy, then gradually becoming sunny, with a high near 84. North wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. North wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. North wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51. South wind 5 to 10 mph.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 84. North wind 5 to 10 mph becoming west southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 46. North wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 68. North wind 10 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Clear, with a low around 43. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 51. South wind 5 to 10 mph.
Saturday
Sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 61. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Martindale TX
 29.81°N 97.91°W (Elev. 581 ft)
2:46 am CDT Mar 11, 2026
5am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
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