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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

26°C

79°F

Humidity 94%
Wind Speed SE 17 km/h
Barometer 1008.6 mb (29.82 in)
Dewpoint 25°C (77°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 3 Jun 4:56 am CDT
Extended Forecast for

San Marcos TX

  • Today

    Today: Partly sunny, with a high near 35. Heat index values as high as 42. South wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.

    High: 35 °C

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. South southeast wind 15 to 25 km/h, with gusts as high as 35 km/h.

    Low: 25 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 37. Heat index values as high as 44. South wind 15 to 25 km/h, with gusts as high as 35 km/h.

    High: 37 °C

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. South southeast wind 15 to 25 km/h, with gusts as high as 35 km/h.

    Low: 24 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. South wind 10 to 15 km/h.

    High: 36 °C

    Mostly Sunny

  • Wednesday Night

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

    Low: 23 °C

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. South southeast wind 10 to 15 km/h.

    High: 36 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. East southeast wind 5 to 10 km/h becoming south after midnight.

    Low: 23 °C

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 36. South southwest wind 5 to 15 km/h becoming southeast in the afternoon.

    High: 36 °C

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 35. Heat index values as high as 42. South wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.
Tonight
Mostly cloudy, with a low around 25. South southeast wind 15 to 25 km/h, with gusts as high as 35 km/h.
Tuesday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 37. Heat index values as high as 44. South wind 15 to 25 km/h, with gusts as high as 35 km/h.
Tuesday Night
Partly cloudy, with a low around 24. South southeast wind 15 to 25 km/h, with gusts as high as 35 km/h.
Wednesday
Mostly sunny, with a high near 36. South wind 10 to 15 km/h.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 23. South southeast wind 10 to 15 km/h.
Thursday
Mostly sunny, with a high near 36. South southeast wind 10 to 15 km/h.
Thursday Night
Mostly clear, with a low around 23. East southeast wind 5 to 10 km/h becoming south after midnight.
Friday
Sunny, with a high near 36. South southwest wind 5 to 15 km/h becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 22.
Saturday
Sunny and hot, with a high near 37.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny and hot, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
San Marcos TX
 29.88°N 97.91°W (Elev. 597 m)
Last Update:
2:43 am CDT Jun 3, 2024
Forecast Valid:
5am CDT Jun 3, 2024-6pm CDT Jun 9, 2024
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation