| NWS Forecast for: 4 Miles NNW San Marcos Municipal Airport TX Issued by: National Weather Service Austin/San Antonio, TX Last Update: 2:44 pm CDT Jul 15, 2025 |  |
| This Afternoon: Mostly sunny, with a high near 94. Heat index values as high as 102. South southeast wind around 10 mph, with gusts as high as 20 mph. Tonight: Increasing clouds, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 101. South wind 5 to 10 mph, with gusts as high as 20 mph. Wednesday Night: Partly cloudy, with a low around 72. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Thursday: Mostly sunny, with a high near 95. South wind around 5 mph. Thursday Night: Partly cloudy, with a low around 72. South southeast wind around 5 mph. Friday: Partly sunny, with a high near 92. South southwest wind around 5 mph. Friday Night: Mostly cloudy, with a low around 74. East southeast wind around 5 mph becoming south after midnight. Saturday: Mostly sunny, with a high near 95. South southwest wind 5 to 10 mph. Saturday Night: Partly cloudy, with a low around 75. Sunday: Mostly sunny, with a high near 96. Sunday Night: Partly cloudy, with a low around 75. Monday: Mostly sunny, with a high near 97. | |
| 4 Miles NNW San Marcos Municipal Airport TX 29.95°N 97.89°W (Elev. 646 ft) | |
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