7-Day Forecast 29.88°N 97.94°W (Text-Only)
NWS Forecast for: San Marcos TX
Issued by: National Weather Service Austin/San Antonio, TX
Last Update: 1:59 am CDT Jun 16, 2024
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  • Overnight

    Overnight: Mostly cloudy, with a low around 74. South southeast wind around 5 mph.

    Low: 74 °F

    Mostly Cloudy



  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 100. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 94 °F

    Decreasing
    Clouds


  • Sunday
    Night

    Sunday Night: Clear, then becoming mostly cloudy toward daybreak, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy



  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. Heat index values as high as 101. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Partly Cloudy



  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 91. East southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 74. East wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Mostly Cloudy



  • Juneteenth

    Juneteenth: A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 82. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Heavy Rain



  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Chance
    T-storms


  • Overnight: Mostly cloudy, with a low around 74. South southeast wind around 5 mph.

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 100. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    Sunday Night: Clear, then becoming mostly cloudy toward daybreak, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Monday Night: Partly cloudy, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. East southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Tuesday Night: Mostly cloudy, with a low around 74. East wind 5 to 15 mph, with gusts as high as 25 mph.

    Juneteenth: A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 82. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

    Friday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

    Friday Night: Partly cloudy, with a low around 73.

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.



    San Marcos TX
     29.88°N 97.94°W (Elev. 577 ft)

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