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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.

Fair

27°C

81°F

Humidity 77%
Wind Speed S 9 km/h
Barometer 1012.3 mb (29.92 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index30°C (86°F)
Last update 7 Jun 10:56 pm CDT
Extended Forecast for

San Marcos TX

  • Tonight

    Tonight: Clear, with a low around 22. Southwest wind around 10 km/h.

    Low: 22 °C

    Clear

  • Saturday

    Saturday: Sunny, with a high near 36. Heat index values as high as 39. South southeast wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon. Winds could gust as high as 35 km/h.

    High: 36 °C

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 23. Southeast wind 10 to 20 km/h, with gusts as high as 30 km/h.

    Low: 23 °C

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 36. Heat index values as high as 39. South southeast wind 10 to 15 km/h.

    High: 36 °C

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. South southeast wind 10 to 15 km/h.

    Low: 24 °C

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 35. South southeast wind 5 to 10 km/h.

    High: 35 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 23. East southeast wind 10 to 15 km/h.

    Low: 23 °C

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 34. East wind around 10 km/h becoming south southeast in the morning.

    High: 34 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Southeast wind 10 to 15 km/h.

    Low: 23 °C

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 22. Southwest wind around 10 km/h.
Saturday
Sunny, with a high near 36. Heat index values as high as 39. South southeast wind 5 to 10 km/h increasing to 10 to 15 km/h in the afternoon. Winds could gust as high as 35 km/h.
Saturday Night
Increasing clouds, with a low around 23. Southeast wind 10 to 20 km/h, with gusts as high as 30 km/h.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Heat index values as high as 39. South southeast wind 10 to 15 km/h.
Sunday Night
Partly cloudy, with a low around 24. South southeast wind 10 to 15 km/h.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 35. South southeast wind 5 to 10 km/h.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 23. East southeast wind 10 to 15 km/h.
Tuesday
Mostly sunny, with a high near 34. East wind around 10 km/h becoming south southeast in the morning.
Tuesday Night
Mostly clear, with a low around 23. Southeast wind 10 to 15 km/h.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly clear, with a low around 23.
Thursday
Sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 23.
Friday
Sunny, with a high near 36.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 m)
Last Update:
7:44 pm CDT Jun 7, 2024
Forecast Valid:
11pm CDT Jun 7, 2024-6pm CDT Jun 14, 2024
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation