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.

Fair

71°F

22°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.10 in (1018.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 25 Jun 5:56 am CDT
Extended Forecast for

Mountain City TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light southeast wind becoming east southeast 5 to 10 mph in the morning.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light south southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 93. Light south wind becoming south southeast 5 to 10 mph in the morning.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 93. Light south wind becoming south southeast 5 to 10 mph in the morning.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light southeast wind becoming east southeast 5 to 10 mph in the morning.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light south southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 93. Light south wind becoming south southeast 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 93. Light south wind becoming south southeast 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain City TX
 30.04°N 97.92°W (Elev. 797 ft)
Last Update:
6:02 am CDT Jun 25, 2025
Forecast Valid:
6am CDT Jun 25, 2025-6pm CDT Jul 1, 2025
 
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Additional Resources

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Chance of Precipitation