| NWS Forecast for: San Marcos TX Issued by: National Weather Service Austin/San Antonio, TX Last Update: 6:46 am CDT Apr 14, 2026 | |
| Today: Mostly cloudy, with a high near 28. South wind 15 to 20 km/h, with gusts as high as 35 km/h. Tonight: Increasing clouds, with a low around 20. South wind 15 to 25 km/h, with gusts as high as 35 km/h. Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 28. South wind 15 to 20 km/h, with gusts as high as 35 km/h. Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 19. South southeast wind 10 to 15 km/h. Thursday: Partly sunny, with a high near 31. South wind 10 to 15 km/h, with gusts as high as 30 km/h. Thursday Night: Partly cloudy, with a low around 19. South southeast wind around 15 km/h, with gusts as high as 30 km/h. Friday: Mostly cloudy, with a high near 31. South wind 15 to 25 km/h, with gusts as high as 45 km/h. Friday Night: Mostly cloudy, with a low around 19. South southeast wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Winds could gust as high as 40 km/h. Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 26. South wind 10 to 20 km/h becoming north northwest in the morning. Winds could gust as high as 35 km/h. Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 14. Chance of precipitation is 30%. Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 22. Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 14. Monday: A 30 percent chance of showers. Mostly cloudy, with a high near 22. | |
| San Marcos TX 29.88°N 97.94°W (Elev. 577 m) | |
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