Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

19°C

66°F

Humidity 100%
Wind Speed S 17 km/h
Barometer 1015.3 mb (30.00 in)
Dewpoint 19°C (66°F)
Visibility 10 km
Last update 8 Feb 7:56 am CST
Extended Forecast for

6 Miles NW San Marcos TX

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 29. South southwest wind 15 to 20 km/h, with gusts as high as 35 km/h.

    High: 29 °C

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 15. South southeast wind around 10 km/h.

    Low: 15 °C

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 20. Southeast wind 5 to 15 km/h becoming northeast in the afternoon.

    High: 20 °C

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 11. North northeast wind 10 to 15 km/h.

    Low: 11 °C

    Increasing
    Clouds

  • Monday

    Monday: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 19. Northeast wind around 10 km/h.

    High: 19 °C

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 14. Northeast wind around 10 km/h becoming south after midnight.

    Low: 14 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before noon, then a slight chance of showers.  Mostly cloudy, with a high near 23. South wind 10 to 15 km/h becoming north in the afternoon.  Chance of precipitation is 50%.

    High: 23 °C

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 9. Northeast wind 10 to 15 km/h.  Chance of precipitation is 40%.

    Low: 9 °C

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before noon.  Partly sunny, with a high near 19. North northwest wind 10 to 20 km/h, with gusts as high as 35 km/h.

    High: 19 °C

    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 29. South southwest wind 15 to 20 km/h, with gusts as high as 35 km/h.
Tonight
Increasing clouds, with a low around 15. South southeast wind around 10 km/h.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 20. Southeast wind 5 to 15 km/h becoming northeast in the afternoon.
Sunday Night
Increasing clouds, with a low around 11. North northeast wind 10 to 15 km/h.
Monday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 19. Northeast wind around 10 km/h.
Monday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 14. Northeast wind around 10 km/h becoming south after midnight.
Tuesday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly cloudy, with a high near 23. South wind 10 to 15 km/h becoming north in the afternoon. Chance of precipitation is 50%.
Tuesday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 9. Northeast wind 10 to 15 km/h. Chance of precipitation is 40%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 19. North northwest wind 10 to 20 km/h, with gusts as high as 35 km/h.
Wednesday Night
Partly cloudy, with a low around 1.
Thursday
Mostly sunny, with a high near 13.
Thursday Night
Partly cloudy, with a low around 2.
Friday
Partly sunny, with a high near 17.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW San Marcos TX
 29.95°N 98.02°W (Elev. 935 m)
5:45 am CST Feb 8, 2025
8am CST Feb 8, 2025-6pm CST Feb 14, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database