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.

Fog/Mist

66°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 30.05 in (1016.8 mb)
Dewpoint 65°F (18°C)
Visibility 3.00 mi
Last update 11 Oct 5:56 am CDT
Extended Forecast for

2 Miles SSE Staples TX

  • Today

    Today: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 92. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 92 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 69 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 92 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 10 percent chance of showers before 7pm. Increasing clouds, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 94. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 92. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Partly cloudy, with a low around 69. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Columbus Day
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A 10 percent chance of showers before 7pm. Increasing clouds, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 94. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 75. South southeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 72. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 67.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 82. Breezy.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 75.
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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 am CDT Oct 11, 2026
Forecast Valid:
6am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation