Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

84°F

29°C

Humidity 63%
Wind Speed SE 8 mph
Barometer 29.85 in (1009.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 19 May 7:56 pm CDT
Extended Forecast for

San Marcos TX

  • Tonight

    Tonight: Increasing clouds, with a low around 71. South wind 5 to 10 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 92. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 74. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 93. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: 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

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 92. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 73. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 71. South wind 5 to 10 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 92. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 74. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 93. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 95.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 96.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny, with a high near 98.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
6:44 pm CDT May 19, 2024
8pm CDT May 19, 2024-6pm CDT May 26, 2024
 
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Additional Resources

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