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

74°F

23°C

Humidity 67%
Wind Speed Calm
Barometer 30.06 in (1017.2 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 Oct 10:56 pm CDT
Extended Forecast for

2 Miles SSE Staples TX

Wind Advisory October 16, 04:00am until October 16, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 65. Light and variable wind becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 69. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 69 °F

    Decreasing
    Clouds and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Breezy, with a north wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 50 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 68. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. North wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. North wind around 5 mph becoming calm in the afternoon.

    High: 73 °F

    Sunny

  • Sunday Night

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

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78. Calm wind becoming east northeast around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

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

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 65. Light and variable wind becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 69. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph.
Friday Night
Mostly clear, with a low around 50. Breezy, with a north wind 20 to 25 mph, with gusts as high as 40 mph.
Saturday
Sunny, with a high near 68. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 47. North wind around 5 mph.
Sunday
Sunny, with a high near 73. North wind around 5 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 51. Calm wind.
Monday
Mostly sunny, with a high near 78. Calm wind becoming east northeast around 5 mph.
Monday Night
Partly cloudy, with a low around 57. Calm wind.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Staples TX
 29.77°N 97.83°W (Elev. 499 ft)
Last Update:
6:42 pm CDT Oct 15, 2026
Forecast Valid:
11pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation