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7-Day Forecast 29.9°N 97.86°W (Text-Only)
NWS Forecast for: San Marcos Municipal Airport TX
Issued by: National Weather Service Austin/San Antonio, TX
Last Update: 3:44 am CDT May 27, 2024		Print

  • Overnight

    Overnight: Mostly cloudy, with a low around 77. South southwest wind around 5 mph.

    Low: 77 °F

    Mostly Cloudy



  • Memorial
    Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 98. Heat index values as high as 110. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 98 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Slight Chance
    T-storms


  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Heat index values as high as 105. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Chance
    T-storms


  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Chance
    T-storms


  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Cloudy





    • Overnight: Mostly cloudy, with a low around 77. South southwest wind around 5 mph.

    Memorial Day: A 20 percent chance of showers and thunderstorms after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 98. Heat index values as high as 110. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph.

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Heat index values as high as 105. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. East southeast wind 5 to 15 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 90. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Thursday Night: Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91.

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

    Saturday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.

    Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

    Sunday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.


    San Marcos Municipal Airport TX
     29.9°N 97.86°W (Elev. 600 ft)

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