National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

25°C

77°F

Humidity 88%
Wind Speed S 9 km/h
Barometer 1013.0 mb (29.93 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index26°C (78°F)
Last update 31 May 10:56 pm CDT
Extended Forecast for

4 Miles WNW San Marcos TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. East southeast wind 5 to 10 km/h.

    Low: 23 °C

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Partly sunny, with a high near 33. Heat index values as high as 38. Southeast wind 5 to 15 km/h.

    High: 33 °C

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 24. Southeast wind 10 to 15 km/h.

    Low: 24 °C

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 34. Heat index values as high as 38. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.

    High: 34 °C

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. South southeast wind 15 to 20 km/h, with gusts as high as 35 km/h.

    Low: 24 °C

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. South wind 15 to 25 km/h, with gusts as high as 40 km/h.

    High: 35 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. South southeast wind 15 to 20 km/h, with gusts as high as 35 km/h.

    Low: 24 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 37. South wind 15 to 20 km/h, with gusts as high as 35 km/h.

    High: 37 °C

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. South southeast wind 15 to 20 km/h, with gusts as high as 35 km/h.

    Low: 23 °C

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. East southeast wind 5 to 10 km/h.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Partly sunny, with a high near 33. Heat index values as high as 38. Southeast wind 5 to 15 km/h.
Saturday Night
Increasing clouds, with a low around 24. Southeast wind 10 to 15 km/h.
Sunday
Partly sunny, with a high near 34. Heat index values as high as 38. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.
Sunday Night
Mostly cloudy, with a low around 24. South southeast wind 15 to 20 km/h, with gusts as high as 35 km/h.
Monday
Mostly sunny, with a high near 35. South wind 15 to 25 km/h, with gusts as high as 40 km/h.
Monday Night
Mostly cloudy, with a low around 24. South southeast wind 15 to 20 km/h, with gusts as high as 35 km/h.
Tuesday
Mostly sunny and hot, with a high near 37. South wind 15 to 20 km/h, with gusts as high as 35 km/h.
Tuesday Night
Partly cloudy, with a low around 23. South southeast wind 15 to 20 km/h, with gusts as high as 35 km/h.
Wednesday
Mostly sunny and hot, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 23.
Friday
Mostly sunny, with a high near 35.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW San Marcos TX
 29.9°N 97.99°W (Elev. 850 m)
Last Update:
10:44 pm CDT May 31, 2024
Forecast Valid:
11pm CDT May 31, 2024-6pm CDT Jun 7, 2024
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation