7-Day Forecast 29.88°N 97.94°W (Text-Only)
NWS Forecast for: San Marcos TX
Issued by: National Weather Service Austin/San Antonio, TX
Last Update: 7:44 pm CDT Jun 7, 2024




Tonight: Clear, with a low around 72. Southeast wind around 5 mph becoming southwest after midnight.

Saturday: Sunny, with a high near 96. Heat index values as high as 102. Light south southwest wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Saturday Night: Increasing clouds, with a low around 73. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 102. South southeast wind 5 to 10 mph.

Sunday Night: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South southeast wind around 5 mph.

Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. East southeast wind 5 to 10 mph.

Tuesday: Mostly sunny, with a high near 94. East wind around 5 mph becoming south southeast in the morning.

Tuesday Night: Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.

Wednesday: Mostly sunny, with a high near 94.

Wednesday Night: Mostly clear, with a low around 73.

Thursday: Sunny, with a high near 97.

Thursday Night: Mostly clear, with a low around 74.

Friday: Sunny, with a high near 97.



San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)

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