Weather in San Marcos, Texas, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for San Marcos
Overnight |
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Temperature: 72°F Wind Speed: 5 to 10 mph Wind Direction: SSW Forecast: Mostly cloudy, with a low around 72. South southwest wind 5 to 10 mph. |
Thursday |
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Temperature: 99°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Partly sunny, with a high near 99. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph. |
Thursday Night |
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Temperature: 73°F Wind Speed: 10 mph Wind Direction: SSE Forecast: Mostly cloudy, with a low around 73. Heat index values as high as 102. South southeast wind around 10 mph, with gusts as high as 20 mph. |
Friday |
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Temperature: 100°F Wind Speed: 10 to 15 mph Wind Direction: S Forecast: Partly sunny, with a high near 100. Heat index values as high as 106. South wind 10 to 15 mph, with gusts as high as 25 mph. |
Friday Night |
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Temperature: 75°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph. |
Saturday |
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Temperature: 99°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Partly sunny, with a high near 99. South wind 5 to 10 mph, with gusts as high as 25 mph. |
Saturday Night |
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Temperature: 75°F Wind Speed: 10 to 15 mph Wind Direction: SSE Forecast: Mostly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. |
Sunday |
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Temperature: 97°F Wind Speed: 10 to 15 mph Wind Direction: SSE Forecast: Partly sunny, with a high near 97. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. |
Sunday Night |
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Temperature: 75°F Wind Speed: 10 to 15 mph Wind Direction: SSE Forecast: Mostly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. |
Monday |
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Temperature: 96°F Wind Speed: 10 to 20 mph Wind Direction: SSE Forecast: Partly sunny, with a high near 96. |
Monday Night |
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Temperature: 75°F Wind Speed: 10 to 15 mph Wind Direction: SSE Forecast: Mostly cloudy, with a low around 75. |
Tuesday |
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Temperature: 94°F Wind Speed: 10 mph Wind Direction: S Forecast: Scattered showers and thunderstorms after 7am. Partly sunny, with a high near 94. Chance of precipitation is 30%. |
Tuesday Night |
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Temperature: 72°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Scattered showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%. |
Wednesday |
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Temperature: 97°F Wind Speed: 5 mph Wind Direction: SSE Forecast: Mostly sunny, with a high near 97. |