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

75°F

24°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.05 in (1016.8 mb)
Dewpoint 75°F (24°C)
Visibility 4.00 mi
Last update 26 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 south southeast wind increasing to 5 to 10 mph in the morning.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 71. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 93. South wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. South wind 5 to 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Widespread haze after 1pm. Mostly sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny
    then Haze

  • Saturday Night

    Saturday Night: Widespread haze. Partly cloudy, with a low around 73. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Haze

  • Sunday

    Sunday: Widespread haze. Mostly sunny, with a high near 94. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Haze

  • Sunday Night

    Sunday Night: Widespread haze. Partly cloudy, with a low around 73. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Haze

  • Monday

    Monday: Widespread haze. Mostly sunny, with a high near 96. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Haze

Detailed Forecast

Today
A 30 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.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 71. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 93. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 72. South wind 5 to 10 mph.
Saturday
Widespread haze after 1pm. Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Saturday Night
Widespread haze. Partly cloudy, with a low around 73. South wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Widespread haze. Mostly sunny, with a high near 94. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Widespread haze. Partly cloudy, with a low around 73. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Widespread haze. Mostly sunny, with a high near 96. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Widespread haze. Partly cloudy, with a low around 73.
Tuesday
Widespread haze. Mostly sunny, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain City TX
 30.02°N 97.89°W (Elev. 797 ft)
Last Update:
6:42 am CDT Jun 26, 2025
Forecast Valid:
6am CDT Jun 26, 2025-6pm CDT Jul 2, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation