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Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

84°F

29°C

Humidity 80%
Wind Speed S 18 G 23 mph
Barometer 29.83 in (1009.5 mb)
Dewpoint 77°F (25°C)
Visibility 7.00 mi
Heat Index94°F (34°C)
Last update 21 May 9:56 am CDT
Extended Forecast for

San Marcos TX

  • Today

    Today: Partly sunny, with a high near 94. Heat index values as high as 103. South wind around 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 94. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Decreasing
    Clouds

  • Wednesday Night

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

    Low: 74 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 97. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 99. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
Partly sunny, with a high near 94. Heat index values as high as 103. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 94. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 74. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 97. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny and hot, with a high near 99. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 75.
Sunday
Mostly sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 75.
Memorial Day
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
Last Update:
7:42 am CDT May 21, 2024
Forecast Valid:
10am CDT May 21, 2024-6pm CDT May 27, 2024
 
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Additional Resources

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Chance of Precipitation